[chore] remove vendor

68 files changed, 0 insertions, 4487 deletions

diff --git a/vendor/golang.org/x/net/ipv6/batch.go b/vendor/golang.org/x/net/ipv6/batch.go
deleted file mode 100644
index 2ccb9849c..000000000
--- a/vendor/golang.org/x/net/ipv6/batch.go
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"runtime"
-
-	"golang.org/x/net/internal/socket"
-)
-
-// BUG(mikio): On Windows, the ReadBatch and WriteBatch methods of
-// PacketConn are not implemented.
-
-// A Message represents an IO message.
-//
-//	type Message struct {
-//		Buffers [][]byte
-//		OOB     []byte
-//		Addr    net.Addr
-//		N       int
-//		NN      int
-//		Flags   int
-//	}
-//
-// The Buffers fields represents a list of contiguous buffers, which
-// can be used for vectored IO, for example, putting a header and a
-// payload in each slice.
-// When writing, the Buffers field must contain at least one byte to
-// write.
-// When reading, the Buffers field will always contain a byte to read.
-//
-// The OOB field contains protocol-specific control or miscellaneous
-// ancillary data known as out-of-band data.
-// It can be nil when not required.
-//
-// The Addr field specifies a destination address when writing.
-// It can be nil when the underlying protocol of the endpoint uses
-// connection-oriented communication.
-// After a successful read, it may contain the source address on the
-// received packet.
-//
-// The N field indicates the number of bytes read or written from/to
-// Buffers.
-//
-// The NN field indicates the number of bytes read or written from/to
-// OOB.
-//
-// The Flags field contains protocol-specific information on the
-// received message.
-type Message = socket.Message
-
-// ReadBatch reads a batch of messages.
-//
-// The provided flags is a set of platform-dependent flags, such as
-// syscall.MSG_PEEK.
-//
-// On a successful read it returns the number of messages received, up
-// to len(ms).
-//
-// On Linux, a batch read will be optimized.
-// On other platforms, this method will read only a single message.
-func (c *payloadHandler) ReadBatch(ms []Message, flags int) (int, error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	switch runtime.GOOS {
-	case "linux":
-		n, err := c.RecvMsgs([]socket.Message(ms), flags)
-		if err != nil {
-			err = &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-		return n, err
-	default:
-		n := 1
-		err := c.RecvMsg(&ms[0], flags)
-		if err != nil {
-			n = 0
-			err = &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-		return n, err
-	}
-}
-
-// WriteBatch writes a batch of messages.
-//
-// The provided flags is a set of platform-dependent flags, such as
-// syscall.MSG_DONTROUTE.
-//
-// It returns the number of messages written on a successful write.
-//
-// On Linux, a batch write will be optimized.
-// On other platforms, this method will write only a single message.
-func (c *payloadHandler) WriteBatch(ms []Message, flags int) (int, error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	switch runtime.GOOS {
-	case "linux":
-		n, err := c.SendMsgs([]socket.Message(ms), flags)
-		if err != nil {
-			err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-		return n, err
-	default:
-		n := 1
-		err := c.SendMsg(&ms[0], flags)
-		if err != nil {
-			n = 0
-			err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-		return n, err
-	}
-}
diff --git a/vendor/golang.org/x/net/ipv6/control.go b/vendor/golang.org/x/net/ipv6/control.go
deleted file mode 100644
index 2da644413..000000000
--- a/vendor/golang.org/x/net/ipv6/control.go
+++ /dev/null
@@ -1,187 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"fmt"
-	"net"
-	"sync"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-)
-
-// Note that RFC 3542 obsoletes RFC 2292 but OS X Snow Leopard and the
-// former still support RFC 2292 only. Please be aware that almost
-// all protocol implementations prohibit using a combination of RFC
-// 2292 and RFC 3542 for some practical reasons.
-
-type rawOpt struct {
-	sync.RWMutex
-	cflags ControlFlags
-}
-
-func (c *rawOpt) set(f ControlFlags)        { c.cflags |= f }
-func (c *rawOpt) clear(f ControlFlags)      { c.cflags &^= f }
-func (c *rawOpt) isset(f ControlFlags) bool { return c.cflags&f != 0 }
-
-// A ControlFlags represents per packet basis IP-level socket option
-// control flags.
-type ControlFlags uint
-
-const (
-	FlagTrafficClass ControlFlags = 1 << iota // pass the traffic class on the received packet
-	FlagHopLimit                              // pass the hop limit on the received packet
-	FlagSrc                                   // pass the source address on the received packet
-	FlagDst                                   // pass the destination address on the received packet
-	FlagInterface                             // pass the interface index on the received packet
-	FlagPathMTU                               // pass the path MTU on the received packet path
-)
-
-const flagPacketInfo = FlagDst | FlagInterface
-
-// A ControlMessage represents per packet basis IP-level socket
-// options.
-type ControlMessage struct {
-	// Receiving socket options: SetControlMessage allows to
-	// receive the options from the protocol stack using ReadFrom
-	// method of PacketConn.
-	//
-	// Specifying socket options: ControlMessage for WriteTo
-	// method of PacketConn allows to send the options to the
-	// protocol stack.
-	//
-	TrafficClass int    // traffic class, must be 1 <= value <= 255 when specifying
-	HopLimit     int    // hop limit, must be 1 <= value <= 255 when specifying
-	Src          net.IP // source address, specifying only
-	Dst          net.IP // destination address, receiving only
-	IfIndex      int    // interface index, must be 1 <= value when specifying
-	NextHop      net.IP // next hop address, specifying only
-	MTU          int    // path MTU, receiving only
-}
-
-func (cm *ControlMessage) String() string {
-	if cm == nil {
-		return "<nil>"
-	}
-	return fmt.Sprintf("tclass=%#x hoplim=%d src=%v dst=%v ifindex=%d nexthop=%v mtu=%d", cm.TrafficClass, cm.HopLimit, cm.Src, cm.Dst, cm.IfIndex, cm.NextHop, cm.MTU)
-}
-
-// Marshal returns the binary encoding of cm.
-func (cm *ControlMessage) Marshal() []byte {
-	if cm == nil {
-		return nil
-	}
-	var l int
-	tclass := false
-	if ctlOpts[ctlTrafficClass].name > 0 && cm.TrafficClass > 0 {
-		tclass = true
-		l += socket.ControlMessageSpace(ctlOpts[ctlTrafficClass].length)
-	}
-	hoplimit := false
-	if ctlOpts[ctlHopLimit].name > 0 && cm.HopLimit > 0 {
-		hoplimit = true
-		l += socket.ControlMessageSpace(ctlOpts[ctlHopLimit].length)
-	}
-	pktinfo := false
-	if ctlOpts[ctlPacketInfo].name > 0 && (cm.Src.To16() != nil && cm.Src.To4() == nil || cm.IfIndex > 0) {
-		pktinfo = true
-		l += socket.ControlMessageSpace(ctlOpts[ctlPacketInfo].length)
-	}
-	nexthop := false
-	if ctlOpts[ctlNextHop].name > 0 && cm.NextHop.To16() != nil && cm.NextHop.To4() == nil {
-		nexthop = true
-		l += socket.ControlMessageSpace(ctlOpts[ctlNextHop].length)
-	}
-	var b []byte
-	if l > 0 {
-		b = make([]byte, l)
-		bb := b
-		if tclass {
-			bb = ctlOpts[ctlTrafficClass].marshal(bb, cm)
-		}
-		if hoplimit {
-			bb = ctlOpts[ctlHopLimit].marshal(bb, cm)
-		}
-		if pktinfo {
-			bb = ctlOpts[ctlPacketInfo].marshal(bb, cm)
-		}
-		if nexthop {
-			bb = ctlOpts[ctlNextHop].marshal(bb, cm)
-		}
-	}
-	return b
-}
-
-// Parse parses b as a control message and stores the result in cm.
-func (cm *ControlMessage) Parse(b []byte) error {
-	ms, err := socket.ControlMessage(b).Parse()
-	if err != nil {
-		return err
-	}
-	for _, m := range ms {
-		lvl, typ, l, err := m.ParseHeader()
-		if err != nil {
-			return err
-		}
-		if lvl != iana.ProtocolIPv6 {
-			continue
-		}
-		switch {
-		case typ == ctlOpts[ctlTrafficClass].name && l >= ctlOpts[ctlTrafficClass].length:
-			ctlOpts[ctlTrafficClass].parse(cm, m.Data(l))
-		case typ == ctlOpts[ctlHopLimit].name && l >= ctlOpts[ctlHopLimit].length:
-			ctlOpts[ctlHopLimit].parse(cm, m.Data(l))
-		case typ == ctlOpts[ctlPacketInfo].name && l >= ctlOpts[ctlPacketInfo].length:
-			ctlOpts[ctlPacketInfo].parse(cm, m.Data(l))
-		case typ == ctlOpts[ctlPathMTU].name && l >= ctlOpts[ctlPathMTU].length:
-			ctlOpts[ctlPathMTU].parse(cm, m.Data(l))
-		}
-	}
-	return nil
-}
-
-// NewControlMessage returns a new control message.
-//
-// The returned message is large enough for options specified by cf.
-func NewControlMessage(cf ControlFlags) []byte {
-	opt := rawOpt{cflags: cf}
-	var l int
-	if opt.isset(FlagTrafficClass) && ctlOpts[ctlTrafficClass].name > 0 {
-		l += socket.ControlMessageSpace(ctlOpts[ctlTrafficClass].length)
-	}
-	if opt.isset(FlagHopLimit) && ctlOpts[ctlHopLimit].name > 0 {
-		l += socket.ControlMessageSpace(ctlOpts[ctlHopLimit].length)
-	}
-	if opt.isset(flagPacketInfo) && ctlOpts[ctlPacketInfo].name > 0 {
-		l += socket.ControlMessageSpace(ctlOpts[ctlPacketInfo].length)
-	}
-	if opt.isset(FlagPathMTU) && ctlOpts[ctlPathMTU].name > 0 {
-		l += socket.ControlMessageSpace(ctlOpts[ctlPathMTU].length)
-	}
-	var b []byte
-	if l > 0 {
-		b = make([]byte, l)
-	}
-	return b
-}
-
-// Ancillary data socket options
-const (
-	ctlTrafficClass = iota // header field
-	ctlHopLimit            // header field
-	ctlPacketInfo          // inbound or outbound packet path
-	ctlNextHop             // nexthop
-	ctlPathMTU             // path mtu
-	ctlMax
-)
-
-// A ctlOpt represents a binding for ancillary data socket option.
-type ctlOpt struct {
-	name    int // option name, must be equal or greater than 1
-	length  int // option length
-	marshal func([]byte, *ControlMessage) []byte
-	parse   func(*ControlMessage, []byte)
-}
diff --git a/vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go b/vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go
deleted file mode 100644
index a8f04e7b3..000000000
--- a/vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build darwin
-
-package ipv6
-
-import (
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-func marshal2292HopLimit(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_2292HOPLIMIT, 4)
-	if cm != nil {
-		socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.HopLimit))
-	}
-	return m.Next(4)
-}
-
-func marshal2292PacketInfo(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_2292PKTINFO, sizeofInet6Pktinfo)
-	if cm != nil {
-		pi := (*inet6Pktinfo)(unsafe.Pointer(&m.Data(sizeofInet6Pktinfo)[0]))
-		if ip := cm.Src.To16(); ip != nil && ip.To4() == nil {
-			copy(pi.Addr[:], ip)
-		}
-		if cm.IfIndex > 0 {
-			pi.setIfindex(cm.IfIndex)
-		}
-	}
-	return m.Next(sizeofInet6Pktinfo)
-}
-
-func marshal2292NextHop(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_2292NEXTHOP, sizeofSockaddrInet6)
-	if cm != nil {
-		sa := (*sockaddrInet6)(unsafe.Pointer(&m.Data(sizeofSockaddrInet6)[0]))
-		sa.setSockaddr(cm.NextHop, cm.IfIndex)
-	}
-	return m.Next(sizeofSockaddrInet6)
-}
diff --git a/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go b/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go
deleted file mode 100644
index 51fbbb1f1..000000000
--- a/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
-
-package ipv6
-
-import (
-	"net"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-func marshalTrafficClass(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_TCLASS, 4)
-	if cm != nil {
-		socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.TrafficClass))
-	}
-	return m.Next(4)
-}
-
-func parseTrafficClass(cm *ControlMessage, b []byte) {
-	cm.TrafficClass = int(socket.NativeEndian.Uint32(b[:4]))
-}
-
-func marshalHopLimit(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_HOPLIMIT, 4)
-	if cm != nil {
-		socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.HopLimit))
-	}
-	return m.Next(4)
-}
-
-func parseHopLimit(cm *ControlMessage, b []byte) {
-	cm.HopLimit = int(socket.NativeEndian.Uint32(b[:4]))
-}
-
-func marshalPacketInfo(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PKTINFO, sizeofInet6Pktinfo)
-	if cm != nil {
-		pi := (*inet6Pktinfo)(unsafe.Pointer(&m.Data(sizeofInet6Pktinfo)[0]))
-		if ip := cm.Src.To16(); ip != nil && ip.To4() == nil {
-			copy(pi.Addr[:], ip)
-		}
-		if cm.IfIndex > 0 {
-			pi.setIfindex(cm.IfIndex)
-		}
-	}
-	return m.Next(sizeofInet6Pktinfo)
-}
-
-func parsePacketInfo(cm *ControlMessage, b []byte) {
-	pi := (*inet6Pktinfo)(unsafe.Pointer(&b[0]))
-	if len(cm.Dst) < net.IPv6len {
-		cm.Dst = make(net.IP, net.IPv6len)
-	}
-	copy(cm.Dst, pi.Addr[:])
-	cm.IfIndex = int(pi.Ifindex)
-}
-
-func marshalNextHop(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_NEXTHOP, sizeofSockaddrInet6)
-	if cm != nil {
-		sa := (*sockaddrInet6)(unsafe.Pointer(&m.Data(sizeofSockaddrInet6)[0]))
-		sa.setSockaddr(cm.NextHop, cm.IfIndex)
-	}
-	return m.Next(sizeofSockaddrInet6)
-}
-
-func parseNextHop(cm *ControlMessage, b []byte) {
-}
-
-func marshalPathMTU(b []byte, cm *ControlMessage) []byte {
-	m := socket.ControlMessage(b)
-	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo)
-	return m.Next(sizeofIPv6Mtuinfo)
-}
-
-func parsePathMTU(cm *ControlMessage, b []byte) {
-	mi := (*ipv6Mtuinfo)(unsafe.Pointer(&b[0]))
-	if len(cm.Dst) < net.IPv6len {
-		cm.Dst = make(net.IP, net.IPv6len)
-	}
-	copy(cm.Dst, mi.Addr.Addr[:])
-	cm.IfIndex = int(mi.Addr.Scope_id)
-	cm.MTU = int(mi.Mtu)
-}
diff --git a/vendor/golang.org/x/net/ipv6/control_stub.go b/vendor/golang.org/x/net/ipv6/control_stub.go
deleted file mode 100644
index eb28ce753..000000000
--- a/vendor/golang.org/x/net/ipv6/control_stub.go
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-
-package ipv6
-
-import "golang.org/x/net/internal/socket"
-
-func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
-	return errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/ipv6/control_unix.go b/vendor/golang.org/x/net/ipv6/control_unix.go
deleted file mode 100644
index 9c73b8647..000000000
--- a/vendor/golang.org/x/net/ipv6/control_unix.go
+++ /dev/null
@@ -1,55 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
-
-package ipv6
-
-import "golang.org/x/net/internal/socket"
-
-func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
-	opt.Lock()
-	defer opt.Unlock()
-	if so, ok := sockOpts[ssoReceiveTrafficClass]; ok && cf&FlagTrafficClass != 0 {
-		if err := so.SetInt(c, boolint(on)); err != nil {
-			return err
-		}
-		if on {
-			opt.set(FlagTrafficClass)
-		} else {
-			opt.clear(FlagTrafficClass)
-		}
-	}
-	if so, ok := sockOpts[ssoReceiveHopLimit]; ok && cf&FlagHopLimit != 0 {
-		if err := so.SetInt(c, boolint(on)); err != nil {
-			return err
-		}
-		if on {
-			opt.set(FlagHopLimit)
-		} else {
-			opt.clear(FlagHopLimit)
-		}
-	}
-	if so, ok := sockOpts[ssoReceivePacketInfo]; ok && cf&flagPacketInfo != 0 {
-		if err := so.SetInt(c, boolint(on)); err != nil {
-			return err
-		}
-		if on {
-			opt.set(cf & flagPacketInfo)
-		} else {
-			opt.clear(cf & flagPacketInfo)
-		}
-	}
-	if so, ok := sockOpts[ssoReceivePathMTU]; ok && cf&FlagPathMTU != 0 {
-		if err := so.SetInt(c, boolint(on)); err != nil {
-			return err
-		}
-		if on {
-			opt.set(FlagPathMTU)
-		} else {
-			opt.clear(FlagPathMTU)
-		}
-	}
-	return nil
-}
diff --git a/vendor/golang.org/x/net/ipv6/control_windows.go b/vendor/golang.org/x/net/ipv6/control_windows.go
deleted file mode 100644
index 8882d8193..000000000
--- a/vendor/golang.org/x/net/ipv6/control_windows.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import "golang.org/x/net/internal/socket"
-
-func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
-	// TODO(mikio): implement this
-	return errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/ipv6/dgramopt.go b/vendor/golang.org/x/net/ipv6/dgramopt.go
deleted file mode 100644
index 846f0e1f9..000000000
--- a/vendor/golang.org/x/net/ipv6/dgramopt.go
+++ /dev/null
@@ -1,301 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-
-	"golang.org/x/net/bpf"
-)
-
-// MulticastHopLimit returns the hop limit field value for outgoing
-// multicast packets.
-func (c *dgramOpt) MulticastHopLimit() (int, error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	so, ok := sockOpts[ssoMulticastHopLimit]
-	if !ok {
-		return 0, errNotImplemented
-	}
-	return so.GetInt(c.Conn)
-}
-
-// SetMulticastHopLimit sets the hop limit field value for future
-// outgoing multicast packets.
-func (c *dgramOpt) SetMulticastHopLimit(hoplim int) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoMulticastHopLimit]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.SetInt(c.Conn, hoplim)
-}
-
-// MulticastInterface returns the default interface for multicast
-// packet transmissions.
-func (c *dgramOpt) MulticastInterface() (*net.Interface, error) {
-	if !c.ok() {
-		return nil, errInvalidConn
-	}
-	so, ok := sockOpts[ssoMulticastInterface]
-	if !ok {
-		return nil, errNotImplemented
-	}
-	return so.getMulticastInterface(c.Conn)
-}
-
-// SetMulticastInterface sets the default interface for future
-// multicast packet transmissions.
-func (c *dgramOpt) SetMulticastInterface(ifi *net.Interface) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoMulticastInterface]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.setMulticastInterface(c.Conn, ifi)
-}
-
-// MulticastLoopback reports whether transmitted multicast packets
-// should be copied and send back to the originator.
-func (c *dgramOpt) MulticastLoopback() (bool, error) {
-	if !c.ok() {
-		return false, errInvalidConn
-	}
-	so, ok := sockOpts[ssoMulticastLoopback]
-	if !ok {
-		return false, errNotImplemented
-	}
-	on, err := so.GetInt(c.Conn)
-	if err != nil {
-		return false, err
-	}
-	return on == 1, nil
-}
-
-// SetMulticastLoopback sets whether transmitted multicast packets
-// should be copied and send back to the originator.
-func (c *dgramOpt) SetMulticastLoopback(on bool) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoMulticastLoopback]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.SetInt(c.Conn, boolint(on))
-}
-
-// JoinGroup joins the group address group on the interface ifi.
-// By default all sources that can cast data to group are accepted.
-// It's possible to mute and unmute data transmission from a specific
-// source by using ExcludeSourceSpecificGroup and
-// IncludeSourceSpecificGroup.
-// JoinGroup uses the system assigned multicast interface when ifi is
-// nil, although this is not recommended because the assignment
-// depends on platforms and sometimes it might require routing
-// configuration.
-func (c *dgramOpt) JoinGroup(ifi *net.Interface, group net.Addr) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoJoinGroup]
-	if !ok {
-		return errNotImplemented
-	}
-	grp := netAddrToIP16(group)
-	if grp == nil {
-		return errMissingAddress
-	}
-	return so.setGroup(c.Conn, ifi, grp)
-}
-
-// LeaveGroup leaves the group address group on the interface ifi
-// regardless of whether the group is any-source group or
-// source-specific group.
-func (c *dgramOpt) LeaveGroup(ifi *net.Interface, group net.Addr) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoLeaveGroup]
-	if !ok {
-		return errNotImplemented
-	}
-	grp := netAddrToIP16(group)
-	if grp == nil {
-		return errMissingAddress
-	}
-	return so.setGroup(c.Conn, ifi, grp)
-}
-
-// JoinSourceSpecificGroup joins the source-specific group comprising
-// group and source on the interface ifi.
-// JoinSourceSpecificGroup uses the system assigned multicast
-// interface when ifi is nil, although this is not recommended because
-// the assignment depends on platforms and sometimes it might require
-// routing configuration.
-func (c *dgramOpt) JoinSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoJoinSourceGroup]
-	if !ok {
-		return errNotImplemented
-	}
-	grp := netAddrToIP16(group)
-	if grp == nil {
-		return errMissingAddress
-	}
-	src := netAddrToIP16(source)
-	if src == nil {
-		return errMissingAddress
-	}
-	return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// LeaveSourceSpecificGroup leaves the source-specific group on the
-// interface ifi.
-func (c *dgramOpt) LeaveSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoLeaveSourceGroup]
-	if !ok {
-		return errNotImplemented
-	}
-	grp := netAddrToIP16(group)
-	if grp == nil {
-		return errMissingAddress
-	}
-	src := netAddrToIP16(source)
-	if src == nil {
-		return errMissingAddress
-	}
-	return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// ExcludeSourceSpecificGroup excludes the source-specific group from
-// the already joined any-source groups by JoinGroup on the interface
-// ifi.
-func (c *dgramOpt) ExcludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoBlockSourceGroup]
-	if !ok {
-		return errNotImplemented
-	}
-	grp := netAddrToIP16(group)
-	if grp == nil {
-		return errMissingAddress
-	}
-	src := netAddrToIP16(source)
-	if src == nil {
-		return errMissingAddress
-	}
-	return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// IncludeSourceSpecificGroup includes the excluded source-specific
-// group by ExcludeSourceSpecificGroup again on the interface ifi.
-func (c *dgramOpt) IncludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoUnblockSourceGroup]
-	if !ok {
-		return errNotImplemented
-	}
-	grp := netAddrToIP16(group)
-	if grp == nil {
-		return errMissingAddress
-	}
-	src := netAddrToIP16(source)
-	if src == nil {
-		return errMissingAddress
-	}
-	return so.setSourceGroup(c.Conn, ifi, grp, src)
-}
-
-// Checksum reports whether the kernel will compute, store or verify a
-// checksum for both incoming and outgoing packets. If on is true, it
-// returns an offset in bytes into the data of where the checksum
-// field is located.
-func (c *dgramOpt) Checksum() (on bool, offset int, err error) {
-	if !c.ok() {
-		return false, 0, errInvalidConn
-	}
-	so, ok := sockOpts[ssoChecksum]
-	if !ok {
-		return false, 0, errNotImplemented
-	}
-	offset, err = so.GetInt(c.Conn)
-	if err != nil {
-		return false, 0, err
-	}
-	if offset < 0 {
-		return false, 0, nil
-	}
-	return true, offset, nil
-}
-
-// SetChecksum enables the kernel checksum processing. If on is true,
-// the offset should be an offset in bytes into the data of where the
-// checksum field is located.
-func (c *dgramOpt) SetChecksum(on bool, offset int) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoChecksum]
-	if !ok {
-		return errNotImplemented
-	}
-	if !on {
-		offset = -1
-	}
-	return so.SetInt(c.Conn, offset)
-}
-
-// ICMPFilter returns an ICMP filter.
-func (c *dgramOpt) ICMPFilter() (*ICMPFilter, error) {
-	if !c.ok() {
-		return nil, errInvalidConn
-	}
-	so, ok := sockOpts[ssoICMPFilter]
-	if !ok {
-		return nil, errNotImplemented
-	}
-	return so.getICMPFilter(c.Conn)
-}
-
-// SetICMPFilter deploys the ICMP filter.
-func (c *dgramOpt) SetICMPFilter(f *ICMPFilter) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoICMPFilter]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.setICMPFilter(c.Conn, f)
-}
-
-// SetBPF attaches a BPF program to the connection.
-//
-// Only supported on Linux.
-func (c *dgramOpt) SetBPF(filter []bpf.RawInstruction) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoAttachFilter]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.setBPF(c.Conn, filter)
-}
diff --git a/vendor/golang.org/x/net/ipv6/doc.go b/vendor/golang.org/x/net/ipv6/doc.go
deleted file mode 100644
index 2148b814f..000000000
--- a/vendor/golang.org/x/net/ipv6/doc.go
+++ /dev/null
@@ -1,239 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package ipv6 implements IP-level socket options for the Internet
-// Protocol version 6.
-//
-// The package provides IP-level socket options that allow
-// manipulation of IPv6 facilities.
-//
-// The IPv6 protocol is defined in RFC 8200.
-// Socket interface extensions are defined in RFC 3493, RFC 3542 and
-// RFC 3678.
-// MLDv1 and MLDv2 are defined in RFC 2710 and RFC 3810.
-// Source-specific multicast is defined in RFC 4607.
-//
-// On Darwin, this package requires OS X Mavericks version 10.9 or
-// above, or equivalent.
-//
-// # Unicasting
-//
-// The options for unicasting are available for net.TCPConn,
-// net.UDPConn and net.IPConn which are created as network connections
-// that use the IPv6 transport. When a single TCP connection carrying
-// a data flow of multiple packets needs to indicate the flow is
-// important, Conn is used to set the traffic class field on the IPv6
-// header for each packet.
-//
-//	ln, err := net.Listen("tcp6", "[::]:1024")
-//	if err != nil {
-//		// error handling
-//	}
-//	defer ln.Close()
-//	for {
-//		c, err := ln.Accept()
-//		if err != nil {
-//			// error handling
-//		}
-//		go func(c net.Conn) {
-//			defer c.Close()
-//
-// The outgoing packets will be labeled DiffServ assured forwarding
-// class 1 low drop precedence, known as AF11 packets.
-//
-//			if err := ipv6.NewConn(c).SetTrafficClass(0x28); err != nil {
-//				// error handling
-//			}
-//			if _, err := c.Write(data); err != nil {
-//				// error handling
-//			}
-//		}(c)
-//	}
-//
-// # Multicasting
-//
-// The options for multicasting are available for net.UDPConn and
-// net.IPConn which are created as network connections that use the
-// IPv6 transport. A few network facilities must be prepared before
-// you begin multicasting, at a minimum joining network interfaces and
-// multicast groups.
-//
-//	en0, err := net.InterfaceByName("en0")
-//	if err != nil {
-//		// error handling
-//	}
-//	en1, err := net.InterfaceByIndex(911)
-//	if err != nil {
-//		// error handling
-//	}
-//	group := net.ParseIP("ff02::114")
-//
-// First, an application listens to an appropriate address with an
-// appropriate service port.
-//
-//	c, err := net.ListenPacket("udp6", "[::]:1024")
-//	if err != nil {
-//		// error handling
-//	}
-//	defer c.Close()
-//
-// Second, the application joins multicast groups, starts listening to
-// the groups on the specified network interfaces. Note that the
-// service port for transport layer protocol does not matter with this
-// operation as joining groups affects only network and link layer
-// protocols, such as IPv6 and Ethernet.
-//
-//	p := ipv6.NewPacketConn(c)
-//	if err := p.JoinGroup(en0, &net.UDPAddr{IP: group}); err != nil {
-//		// error handling
-//	}
-//	if err := p.JoinGroup(en1, &net.UDPAddr{IP: group}); err != nil {
-//		// error handling
-//	}
-//
-// The application might set per packet control message transmissions
-// between the protocol stack within the kernel. When the application
-// needs a destination address on an incoming packet,
-// SetControlMessage of PacketConn is used to enable control message
-// transmissions.
-//
-//	if err := p.SetControlMessage(ipv6.FlagDst, true); err != nil {
-//		// error handling
-//	}
-//
-// The application could identify whether the received packets are
-// of interest by using the control message that contains the
-// destination address of the received packet.
-//
-//	b := make([]byte, 1500)
-//	for {
-//		n, rcm, src, err := p.ReadFrom(b)
-//		if err != nil {
-//			// error handling
-//		}
-//		if rcm.Dst.IsMulticast() {
-//			if rcm.Dst.Equal(group) {
-//				// joined group, do something
-//			} else {
-//				// unknown group, discard
-//				continue
-//			}
-//		}
-//
-// The application can also send both unicast and multicast packets.
-//
-//		p.SetTrafficClass(0x0)
-//		p.SetHopLimit(16)
-//		if _, err := p.WriteTo(data[:n], nil, src); err != nil {
-//			// error handling
-//		}
-//		dst := &net.UDPAddr{IP: group, Port: 1024}
-//		wcm := ipv6.ControlMessage{TrafficClass: 0xe0, HopLimit: 1}
-//		for _, ifi := range []*net.Interface{en0, en1} {
-//			wcm.IfIndex = ifi.Index
-//			if _, err := p.WriteTo(data[:n], &wcm, dst); err != nil {
-//				// error handling
-//			}
-//		}
-//	}
-//
-// # More multicasting
-//
-// An application that uses PacketConn may join multiple multicast
-// groups. For example, a UDP listener with port 1024 might join two
-// different groups across over two different network interfaces by
-// using:
-//
-//	c, err := net.ListenPacket("udp6", "[::]:1024")
-//	if err != nil {
-//		// error handling
-//	}
-//	defer c.Close()
-//	p := ipv6.NewPacketConn(c)
-//	if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::1:114")}); err != nil {
-//		// error handling
-//	}
-//	if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::2:114")}); err != nil {
-//		// error handling
-//	}
-//	if err := p.JoinGroup(en1, &net.UDPAddr{IP: net.ParseIP("ff02::2:114")}); err != nil {
-//		// error handling
-//	}
-//
-// It is possible for multiple UDP listeners that listen on the same
-// UDP port to join the same multicast group. The net package will
-// provide a socket that listens to a wildcard address with reusable
-// UDP port when an appropriate multicast address prefix is passed to
-// the net.ListenPacket or net.ListenUDP.
-//
-//	c1, err := net.ListenPacket("udp6", "[ff02::]:1024")
-//	if err != nil {
-//		// error handling
-//	}
-//	defer c1.Close()
-//	c2, err := net.ListenPacket("udp6", "[ff02::]:1024")
-//	if err != nil {
-//		// error handling
-//	}
-//	defer c2.Close()
-//	p1 := ipv6.NewPacketConn(c1)
-//	if err := p1.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::114")}); err != nil {
-//		// error handling
-//	}
-//	p2 := ipv6.NewPacketConn(c2)
-//	if err := p2.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::114")}); err != nil {
-//		// error handling
-//	}
-//
-// Also it is possible for the application to leave or rejoin a
-// multicast group on the network interface.
-//
-//	if err := p.LeaveGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::114")}); err != nil {
-//		// error handling
-//	}
-//	if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff01::114")}); err != nil {
-//		// error handling
-//	}
-//
-// # Source-specific multicasting
-//
-// An application that uses PacketConn on MLDv2 supported platform is
-// able to join source-specific multicast groups.
-// The application may use JoinSourceSpecificGroup and
-// LeaveSourceSpecificGroup for the operation known as "include" mode,
-//
-//	ssmgroup := net.UDPAddr{IP: net.ParseIP("ff32::8000:9")}
-//	ssmsource := net.UDPAddr{IP: net.ParseIP("fe80::cafe")}
-//	if err := p.JoinSourceSpecificGroup(en0, &ssmgroup, &ssmsource); err != nil {
-//		// error handling
-//	}
-//	if err := p.LeaveSourceSpecificGroup(en0, &ssmgroup, &ssmsource); err != nil {
-//		// error handling
-//	}
-//
-// or JoinGroup, ExcludeSourceSpecificGroup,
-// IncludeSourceSpecificGroup and LeaveGroup for the operation known
-// as "exclude" mode.
-//
-//	exclsource := net.UDPAddr{IP: net.ParseIP("fe80::dead")}
-//	if err := p.JoinGroup(en0, &ssmgroup); err != nil {
-//		// error handling
-//	}
-//	if err := p.ExcludeSourceSpecificGroup(en0, &ssmgroup, &exclsource); err != nil {
-//		// error handling
-//	}
-//	if err := p.LeaveGroup(en0, &ssmgroup); err != nil {
-//		// error handling
-//	}
-//
-// Note that it depends on each platform implementation what happens
-// when an application which runs on MLDv2 unsupported platform uses
-// JoinSourceSpecificGroup and LeaveSourceSpecificGroup.
-// In general the platform tries to fall back to conversations using
-// MLDv1 and starts to listen to multicast traffic.
-// In the fallback case, ExcludeSourceSpecificGroup and
-// IncludeSourceSpecificGroup may return an error.
-package ipv6 // import "golang.org/x/net/ipv6"
-
-// BUG(mikio): This package is not implemented on JS, NaCl and Plan 9.
diff --git a/vendor/golang.org/x/net/ipv6/endpoint.go b/vendor/golang.org/x/net/ipv6/endpoint.go
deleted file mode 100644
index f534a0bf3..000000000
--- a/vendor/golang.org/x/net/ipv6/endpoint.go
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"time"
-
-	"golang.org/x/net/internal/socket"
-)
-
-// BUG(mikio): On Windows, the JoinSourceSpecificGroup,
-// LeaveSourceSpecificGroup, ExcludeSourceSpecificGroup and
-// IncludeSourceSpecificGroup methods of PacketConn are not
-// implemented.
-
-// A Conn represents a network endpoint that uses IPv6 transport.
-// It allows to set basic IP-level socket options such as traffic
-// class and hop limit.
-type Conn struct {
-	genericOpt
-}
-
-type genericOpt struct {
-	*socket.Conn
-}
-
-func (c *genericOpt) ok() bool { return c != nil && c.Conn != nil }
-
-// PathMTU returns a path MTU value for the destination associated
-// with the endpoint.
-func (c *Conn) PathMTU() (int, error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	so, ok := sockOpts[ssoPathMTU]
-	if !ok {
-		return 0, errNotImplemented
-	}
-	_, mtu, err := so.getMTUInfo(c.Conn)
-	if err != nil {
-		return 0, err
-	}
-	return mtu, nil
-}
-
-// NewConn returns a new Conn.
-func NewConn(c net.Conn) *Conn {
-	cc, _ := socket.NewConn(c)
-	return &Conn{
-		genericOpt: genericOpt{Conn: cc},
-	}
-}
-
-// A PacketConn represents a packet network endpoint that uses IPv6
-// transport. It is used to control several IP-level socket options
-// including IPv6 header manipulation. It also provides datagram
-// based network I/O methods specific to the IPv6 and higher layer
-// protocols such as OSPF, GRE, and UDP.
-type PacketConn struct {
-	genericOpt
-	dgramOpt
-	payloadHandler
-}
-
-type dgramOpt struct {
-	*socket.Conn
-}
-
-func (c *dgramOpt) ok() bool { return c != nil && c.Conn != nil }
-
-// SetControlMessage allows to receive the per packet basis IP-level
-// socket options.
-func (c *PacketConn) SetControlMessage(cf ControlFlags, on bool) error {
-	if !c.payloadHandler.ok() {
-		return errInvalidConn
-	}
-	return setControlMessage(c.dgramOpt.Conn, &c.payloadHandler.rawOpt, cf, on)
-}
-
-// SetDeadline sets the read and write deadlines associated with the
-// endpoint.
-func (c *PacketConn) SetDeadline(t time.Time) error {
-	if !c.payloadHandler.ok() {
-		return errInvalidConn
-	}
-	return c.payloadHandler.SetDeadline(t)
-}
-
-// SetReadDeadline sets the read deadline associated with the
-// endpoint.
-func (c *PacketConn) SetReadDeadline(t time.Time) error {
-	if !c.payloadHandler.ok() {
-		return errInvalidConn
-	}
-	return c.payloadHandler.SetReadDeadline(t)
-}
-
-// SetWriteDeadline sets the write deadline associated with the
-// endpoint.
-func (c *PacketConn) SetWriteDeadline(t time.Time) error {
-	if !c.payloadHandler.ok() {
-		return errInvalidConn
-	}
-	return c.payloadHandler.SetWriteDeadline(t)
-}
-
-// Close closes the endpoint.
-func (c *PacketConn) Close() error {
-	if !c.payloadHandler.ok() {
-		return errInvalidConn
-	}
-	return c.payloadHandler.Close()
-}
-
-// NewPacketConn returns a new PacketConn using c as its underlying
-// transport.
-func NewPacketConn(c net.PacketConn) *PacketConn {
-	cc, _ := socket.NewConn(c.(net.Conn))
-	return &PacketConn{
-		genericOpt:     genericOpt{Conn: cc},
-		dgramOpt:       dgramOpt{Conn: cc},
-		payloadHandler: payloadHandler{PacketConn: c, Conn: cc},
-	}
-}
diff --git a/vendor/golang.org/x/net/ipv6/genericopt.go b/vendor/golang.org/x/net/ipv6/genericopt.go
deleted file mode 100644
index 0326aed6d..000000000
--- a/vendor/golang.org/x/net/ipv6/genericopt.go
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-// TrafficClass returns the traffic class field value for outgoing
-// packets.
-func (c *genericOpt) TrafficClass() (int, error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	so, ok := sockOpts[ssoTrafficClass]
-	if !ok {
-		return 0, errNotImplemented
-	}
-	return so.GetInt(c.Conn)
-}
-
-// SetTrafficClass sets the traffic class field value for future
-// outgoing packets.
-func (c *genericOpt) SetTrafficClass(tclass int) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoTrafficClass]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.SetInt(c.Conn, tclass)
-}
-
-// HopLimit returns the hop limit field value for outgoing packets.
-func (c *genericOpt) HopLimit() (int, error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	so, ok := sockOpts[ssoHopLimit]
-	if !ok {
-		return 0, errNotImplemented
-	}
-	return so.GetInt(c.Conn)
-}
-
-// SetHopLimit sets the hop limit field value for future outgoing
-// packets.
-func (c *genericOpt) SetHopLimit(hoplim int) error {
-	if !c.ok() {
-		return errInvalidConn
-	}
-	so, ok := sockOpts[ssoHopLimit]
-	if !ok {
-		return errNotImplemented
-	}
-	return so.SetInt(c.Conn, hoplim)
-}
diff --git a/vendor/golang.org/x/net/ipv6/header.go b/vendor/golang.org/x/net/ipv6/header.go
deleted file mode 100644
index e05cb08b2..000000000
--- a/vendor/golang.org/x/net/ipv6/header.go
+++ /dev/null
@@ -1,55 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"encoding/binary"
-	"fmt"
-	"net"
-)
-
-const (
-	Version   = 6  // protocol version
-	HeaderLen = 40 // header length
-)
-
-// A Header represents an IPv6 base header.
-type Header struct {
-	Version      int    // protocol version
-	TrafficClass int    // traffic class
-	FlowLabel    int    // flow label
-	PayloadLen   int    // payload length
-	NextHeader   int    // next header
-	HopLimit     int    // hop limit
-	Src          net.IP // source address
-	Dst          net.IP // destination address
-}
-
-func (h *Header) String() string {
-	if h == nil {
-		return "<nil>"
-	}
-	return fmt.Sprintf("ver=%d tclass=%#x flowlbl=%#x payloadlen=%d nxthdr=%d hoplim=%d src=%v dst=%v", h.Version, h.TrafficClass, h.FlowLabel, h.PayloadLen, h.NextHeader, h.HopLimit, h.Src, h.Dst)
-}
-
-// ParseHeader parses b as an IPv6 base header.
-func ParseHeader(b []byte) (*Header, error) {
-	if len(b) < HeaderLen {
-		return nil, errHeaderTooShort
-	}
-	h := &Header{
-		Version:      int(b[0]) >> 4,
-		TrafficClass: int(b[0]&0x0f)<<4 | int(b[1])>>4,
-		FlowLabel:    int(b[1]&0x0f)<<16 | int(b[2])<<8 | int(b[3]),
-		PayloadLen:   int(binary.BigEndian.Uint16(b[4:6])),
-		NextHeader:   int(b[6]),
-		HopLimit:     int(b[7]),
-	}
-	h.Src = make(net.IP, net.IPv6len)
-	copy(h.Src, b[8:24])
-	h.Dst = make(net.IP, net.IPv6len)
-	copy(h.Dst, b[24:40])
-	return h, nil
-}
diff --git a/vendor/golang.org/x/net/ipv6/helper.go b/vendor/golang.org/x/net/ipv6/helper.go
deleted file mode 100644
index c2d508f9c..000000000
--- a/vendor/golang.org/x/net/ipv6/helper.go
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"errors"
-	"net"
-	"runtime"
-)
-
-var (
-	errInvalidConn     = errors.New("invalid connection")
-	errMissingAddress  = errors.New("missing address")
-	errHeaderTooShort  = errors.New("header too short")
-	errInvalidConnType = errors.New("invalid conn type")
-	errNotImplemented  = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH)
-)
-
-func boolint(b bool) int {
-	if b {
-		return 1
-	}
-	return 0
-}
-
-func netAddrToIP16(a net.Addr) net.IP {
-	switch v := a.(type) {
-	case *net.UDPAddr:
-		if ip := v.IP.To16(); ip != nil && ip.To4() == nil {
-			return ip
-		}
-	case *net.IPAddr:
-		if ip := v.IP.To16(); ip != nil && ip.To4() == nil {
-			return ip
-		}
-	}
-	return nil
-}
-
-func opAddr(a net.Addr) net.Addr {
-	switch a.(type) {
-	case *net.TCPAddr:
-		if a == nil {
-			return nil
-		}
-	case *net.UDPAddr:
-		if a == nil {
-			return nil
-		}
-	case *net.IPAddr:
-		if a == nil {
-			return nil
-		}
-	}
-	return a
-}
diff --git a/vendor/golang.org/x/net/ipv6/iana.go b/vendor/golang.org/x/net/ipv6/iana.go
deleted file mode 100644
index 32db1aa94..000000000
--- a/vendor/golang.org/x/net/ipv6/iana.go
+++ /dev/null
@@ -1,86 +0,0 @@
-// go generate gen.go
-// Code generated by the command above; DO NOT EDIT.
-
-package ipv6
-
-// Internet Control Message Protocol version 6 (ICMPv6) Parameters, Updated: 2018-03-09
-const (
-	ICMPTypeDestinationUnreachable                ICMPType = 1   // Destination Unreachable
-	ICMPTypePacketTooBig                          ICMPType = 2   // Packet Too Big
-	ICMPTypeTimeExceeded                          ICMPType = 3   // Time Exceeded
-	ICMPTypeParameterProblem                      ICMPType = 4   // Parameter Problem
-	ICMPTypeEchoRequest                           ICMPType = 128 // Echo Request
-	ICMPTypeEchoReply                             ICMPType = 129 // Echo Reply
-	ICMPTypeMulticastListenerQuery                ICMPType = 130 // Multicast Listener Query
-	ICMPTypeMulticastListenerReport               ICMPType = 131 // Multicast Listener Report
-	ICMPTypeMulticastListenerDone                 ICMPType = 132 // Multicast Listener Done
-	ICMPTypeRouterSolicitation                    ICMPType = 133 // Router Solicitation
-	ICMPTypeRouterAdvertisement                   ICMPType = 134 // Router Advertisement
-	ICMPTypeNeighborSolicitation                  ICMPType = 135 // Neighbor Solicitation
-	ICMPTypeNeighborAdvertisement                 ICMPType = 136 // Neighbor Advertisement
-	ICMPTypeRedirect                              ICMPType = 137 // Redirect Message
-	ICMPTypeRouterRenumbering                     ICMPType = 138 // Router Renumbering
-	ICMPTypeNodeInformationQuery                  ICMPType = 139 // ICMP Node Information Query
-	ICMPTypeNodeInformationResponse               ICMPType = 140 // ICMP Node Information Response
-	ICMPTypeInverseNeighborDiscoverySolicitation  ICMPType = 141 // Inverse Neighbor Discovery Solicitation Message
-	ICMPTypeInverseNeighborDiscoveryAdvertisement ICMPType = 142 // Inverse Neighbor Discovery Advertisement Message
-	ICMPTypeVersion2MulticastListenerReport       ICMPType = 143 // Version 2 Multicast Listener Report
-	ICMPTypeHomeAgentAddressDiscoveryRequest      ICMPType = 144 // Home Agent Address Discovery Request Message
-	ICMPTypeHomeAgentAddressDiscoveryReply        ICMPType = 145 // Home Agent Address Discovery Reply Message
-	ICMPTypeMobilePrefixSolicitation              ICMPType = 146 // Mobile Prefix Solicitation
-	ICMPTypeMobilePrefixAdvertisement             ICMPType = 147 // Mobile Prefix Advertisement
-	ICMPTypeCertificationPathSolicitation         ICMPType = 148 // Certification Path Solicitation Message
-	ICMPTypeCertificationPathAdvertisement        ICMPType = 149 // Certification Path Advertisement Message
-	ICMPTypeMulticastRouterAdvertisement          ICMPType = 151 // Multicast Router Advertisement
-	ICMPTypeMulticastRouterSolicitation           ICMPType = 152 // Multicast Router Solicitation
-	ICMPTypeMulticastRouterTermination            ICMPType = 153 // Multicast Router Termination
-	ICMPTypeFMIPv6                                ICMPType = 154 // FMIPv6 Messages
-	ICMPTypeRPLControl                            ICMPType = 155 // RPL Control Message
-	ICMPTypeILNPv6LocatorUpdate                   ICMPType = 156 // ILNPv6 Locator Update Message
-	ICMPTypeDuplicateAddressRequest               ICMPType = 157 // Duplicate Address Request
-	ICMPTypeDuplicateAddressConfirmation          ICMPType = 158 // Duplicate Address Confirmation
-	ICMPTypeMPLControl                            ICMPType = 159 // MPL Control Message
-	ICMPTypeExtendedEchoRequest                   ICMPType = 160 // Extended Echo Request
-	ICMPTypeExtendedEchoReply                     ICMPType = 161 // Extended Echo Reply
-)
-
-// Internet Control Message Protocol version 6 (ICMPv6) Parameters, Updated: 2018-03-09
-var icmpTypes = map[ICMPType]string{
-	1:   "destination unreachable",
-	2:   "packet too big",
-	3:   "time exceeded",
-	4:   "parameter problem",
-	128: "echo request",
-	129: "echo reply",
-	130: "multicast listener query",
-	131: "multicast listener report",
-	132: "multicast listener done",
-	133: "router solicitation",
-	134: "router advertisement",
-	135: "neighbor solicitation",
-	136: "neighbor advertisement",
-	137: "redirect message",
-	138: "router renumbering",
-	139: "icmp node information query",
-	140: "icmp node information response",
-	141: "inverse neighbor discovery solicitation message",
-	142: "inverse neighbor discovery advertisement message",
-	143: "version 2 multicast listener report",
-	144: "home agent address discovery request message",
-	145: "home agent address discovery reply message",
-	146: "mobile prefix solicitation",
-	147: "mobile prefix advertisement",
-	148: "certification path solicitation message",
-	149: "certification path advertisement message",
-	151: "multicast router advertisement",
-	152: "multicast router solicitation",
-	153: "multicast router termination",
-	154: "fmipv6 messages",
-	155: "rpl control message",
-	156: "ilnpv6 locator update message",
-	157: "duplicate address request",
-	158: "duplicate address confirmation",
-	159: "mpl control message",
-	160: "extended echo request",
-	161: "extended echo reply",
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp.go b/vendor/golang.org/x/net/ipv6/icmp.go
deleted file mode 100644
index b7f48e27b..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp.go
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import "golang.org/x/net/internal/iana"
-
-// BUG(mikio): On Windows, methods related to ICMPFilter are not
-// implemented.
-
-// An ICMPType represents a type of ICMP message.
-type ICMPType int
-
-func (typ ICMPType) String() string {
-	s, ok := icmpTypes[typ]
-	if !ok {
-		return "<nil>"
-	}
-	return s
-}
-
-// Protocol returns the ICMPv6 protocol number.
-func (typ ICMPType) Protocol() int {
-	return iana.ProtocolIPv6ICMP
-}
-
-// An ICMPFilter represents an ICMP message filter for incoming
-// packets. The filter belongs to a packet delivery path on a host and
-// it cannot interact with forwarding packets or tunnel-outer packets.
-//
-// Note: RFC 8200 defines a reasonable role model. A node means a
-// device that implements IP. A router means a node that forwards IP
-// packets not explicitly addressed to itself, and a host means a node
-// that is not a router.
-type ICMPFilter struct {
-	icmpv6Filter
-}
-
-// Accept accepts incoming ICMP packets including the type field value
-// typ.
-func (f *ICMPFilter) Accept(typ ICMPType) {
-	f.accept(typ)
-}
-
-// Block blocks incoming ICMP packets including the type field value
-// typ.
-func (f *ICMPFilter) Block(typ ICMPType) {
-	f.block(typ)
-}
-
-// SetAll sets the filter action to the filter.
-func (f *ICMPFilter) SetAll(block bool) {
-	f.setAll(block)
-}
-
-// WillBlock reports whether the ICMP type will be blocked.
-func (f *ICMPFilter) WillBlock(typ ICMPType) bool {
-	return f.willBlock(typ)
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp_bsd.go b/vendor/golang.org/x/net/ipv6/icmp_bsd.go
deleted file mode 100644
index 2814534a0..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp_bsd.go
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd
-
-package ipv6
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-	f.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-	f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-	for i := range f.Filt {
-		if block {
-			f.Filt[i] = 0
-		} else {
-			f.Filt[i] = 1<<32 - 1
-		}
-	}
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp_linux.go b/vendor/golang.org/x/net/ipv6/icmp_linux.go
deleted file mode 100644
index 647f6b44f..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp_linux.go
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-	f.Data[typ>>5] &^= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-	f.Data[typ>>5] |= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-	for i := range f.Data {
-		if block {
-			f.Data[i] = 1<<32 - 1
-		} else {
-			f.Data[i] = 0
-		}
-	}
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	return f.Data[typ>>5]&(1<<(uint32(typ)&31)) != 0
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp_solaris.go b/vendor/golang.org/x/net/ipv6/icmp_solaris.go
deleted file mode 100644
index 7c23bb1cf..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp_solaris.go
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-	f.X__icmp6_filt[typ>>5] |= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-	f.X__icmp6_filt[typ>>5] &^= 1 << (uint32(typ) & 31)
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-	for i := range f.X__icmp6_filt {
-		if block {
-			f.X__icmp6_filt[i] = 0
-		} else {
-			f.X__icmp6_filt[i] = 1<<32 - 1
-		}
-	}
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	return f.X__icmp6_filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp_stub.go b/vendor/golang.org/x/net/ipv6/icmp_stub.go
deleted file mode 100644
index c92c9b51e..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp_stub.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-
-package ipv6
-
-type icmpv6Filter struct {
-}
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	return false
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp_windows.go b/vendor/golang.org/x/net/ipv6/icmp_windows.go
deleted file mode 100644
index 443cd0736..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp_windows.go
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-	// TODO(mikio): implement this
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-	// TODO(mikio): implement this
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-	// TODO(mikio): implement this
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	// TODO(mikio): implement this
-	return false
-}
diff --git a/vendor/golang.org/x/net/ipv6/icmp_zos.go b/vendor/golang.org/x/net/ipv6/icmp_zos.go
deleted file mode 100644
index ddf8f093f..000000000
--- a/vendor/golang.org/x/net/ipv6/icmp_zos.go
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2020 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-func (f *icmpv6Filter) accept(typ ICMPType) {
-	f.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
-
-}
-
-func (f *icmpv6Filter) block(typ ICMPType) {
-	f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
-
-}
-
-func (f *icmpv6Filter) setAll(block bool) {
-	for i := range f.Filt {
-		if block {
-			f.Filt[i] = 0
-		} else {
-			f.Filt[i] = 1<<32 - 1
-		}
-	}
-}
-
-func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
-	return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
-}
diff --git a/vendor/golang.org/x/net/ipv6/payload.go b/vendor/golang.org/x/net/ipv6/payload.go
deleted file mode 100644
index a8197f169..000000000
--- a/vendor/golang.org/x/net/ipv6/payload.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-
-	"golang.org/x/net/internal/socket"
-)
-
-// BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo
-// methods of PacketConn is not implemented.
-
-// A payloadHandler represents the IPv6 datagram payload handler.
-type payloadHandler struct {
-	net.PacketConn
-	*socket.Conn
-	rawOpt
-}
-
-func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil && c.Conn != nil }
diff --git a/vendor/golang.org/x/net/ipv6/payload_cmsg.go b/vendor/golang.org/x/net/ipv6/payload_cmsg.go
deleted file mode 100644
index be04e4d6a..000000000
--- a/vendor/golang.org/x/net/ipv6/payload_cmsg.go
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
-
-package ipv6
-
-import (
-	"net"
-
-	"golang.org/x/net/internal/socket"
-)
-
-// ReadFrom reads a payload of the received IPv6 datagram, from the
-// endpoint c, copying the payload into b. It returns the number of
-// bytes copied into b, the control message cm and the source address
-// src of the received datagram.
-func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) {
-	if !c.ok() {
-		return 0, nil, nil, errInvalidConn
-	}
-	c.rawOpt.RLock()
-	m := socket.Message{
-		Buffers: [][]byte{b},
-		OOB:     NewControlMessage(c.rawOpt.cflags),
-	}
-	c.rawOpt.RUnlock()
-	switch c.PacketConn.(type) {
-	case *net.UDPConn:
-		if err := c.RecvMsg(&m, 0); err != nil {
-			return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-	case *net.IPConn:
-		if err := c.RecvMsg(&m, 0); err != nil {
-			return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-	default:
-		return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: errInvalidConnType}
-	}
-	if m.NN > 0 {
-		cm = new(ControlMessage)
-		if err := cm.Parse(m.OOB[:m.NN]); err != nil {
-			return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
-		}
-		cm.Src = netAddrToIP16(m.Addr)
-	}
-	return m.N, cm, m.Addr, nil
-}
-
-// WriteTo writes a payload of the IPv6 datagram, to the destination
-// address dst through the endpoint c, copying the payload from b. It
-// returns the number of bytes written. The control message cm allows
-// the IPv6 header fields and the datagram path to be specified. The
-// cm may be nil if control of the outgoing datagram is not required.
-func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	m := socket.Message{
-		Buffers: [][]byte{b},
-		OOB:     cm.Marshal(),
-		Addr:    dst,
-	}
-	err = c.SendMsg(&m, 0)
-	if err != nil {
-		err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Addr: opAddr(dst), Err: err}
-	}
-	return m.N, err
-}
diff --git a/vendor/golang.org/x/net/ipv6/payload_nocmsg.go b/vendor/golang.org/x/net/ipv6/payload_nocmsg.go
deleted file mode 100644
index 29b9ccf69..000000000
--- a/vendor/golang.org/x/net/ipv6/payload_nocmsg.go
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
-
-package ipv6
-
-import "net"
-
-// ReadFrom reads a payload of the received IPv6 datagram, from the
-// endpoint c, copying the payload into b. It returns the number of
-// bytes copied into b, the control message cm and the source address
-// src of the received datagram.
-func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) {
-	if !c.ok() {
-		return 0, nil, nil, errInvalidConn
-	}
-	if n, src, err = c.PacketConn.ReadFrom(b); err != nil {
-		return 0, nil, nil, err
-	}
-	return
-}
-
-// WriteTo writes a payload of the IPv6 datagram, to the destination
-// address dst through the endpoint c, copying the payload from b. It
-// returns the number of bytes written. The control message cm allows
-// the IPv6 header fields and the datagram path to be specified. The
-// cm may be nil if control of the outgoing datagram is not required.
-func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) {
-	if !c.ok() {
-		return 0, errInvalidConn
-	}
-	if dst == nil {
-		return 0, errMissingAddress
-	}
-	return c.PacketConn.WriteTo(b, dst)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sockopt.go b/vendor/golang.org/x/net/ipv6/sockopt.go
deleted file mode 100644
index cc3907df3..000000000
--- a/vendor/golang.org/x/net/ipv6/sockopt.go
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import "golang.org/x/net/internal/socket"
-
-// Sticky socket options
-const (
-	ssoTrafficClass        = iota // header field for unicast packet, RFC 3542
-	ssoHopLimit                   // header field for unicast packet, RFC 3493
-	ssoMulticastInterface         // outbound interface for multicast packet, RFC 3493
-	ssoMulticastHopLimit          // header field for multicast packet, RFC 3493
-	ssoMulticastLoopback          // loopback for multicast packet, RFC 3493
-	ssoReceiveTrafficClass        // header field on received packet, RFC 3542
-	ssoReceiveHopLimit            // header field on received packet, RFC 2292 or 3542
-	ssoReceivePacketInfo          // incbound or outbound packet path, RFC 2292 or 3542
-	ssoReceivePathMTU             // path mtu, RFC 3542
-	ssoPathMTU                    // path mtu, RFC 3542
-	ssoChecksum                   // packet checksum, RFC 2292 or 3542
-	ssoICMPFilter                 // icmp filter, RFC 2292 or 3542
-	ssoJoinGroup                  // any-source multicast, RFC 3493
-	ssoLeaveGroup                 // any-source multicast, RFC 3493
-	ssoJoinSourceGroup            // source-specific multicast
-	ssoLeaveSourceGroup           // source-specific multicast
-	ssoBlockSourceGroup           // any-source or source-specific multicast
-	ssoUnblockSourceGroup         // any-source or source-specific multicast
-	ssoAttachFilter               // attach BPF for filtering inbound traffic
-)
-
-// Sticky socket option value types
-const (
-	ssoTypeIPMreq = iota + 1
-	ssoTypeGroupReq
-	ssoTypeGroupSourceReq
-)
-
-// A sockOpt represents a binding for sticky socket option.
-type sockOpt struct {
-	socket.Option
-	typ int // hint for option value type; optional
-}
diff --git a/vendor/golang.org/x/net/ipv6/sockopt_posix.go b/vendor/golang.org/x/net/ipv6/sockopt_posix.go
deleted file mode 100644
index 34dfed588..000000000
--- a/vendor/golang.org/x/net/ipv6/sockopt_posix.go
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
-
-package ipv6
-
-import (
-	"net"
-	"runtime"
-	"unsafe"
-
-	"golang.org/x/net/bpf"
-	"golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) {
-	n, err := so.GetInt(c)
-	if err != nil {
-		return nil, err
-	}
-	return net.InterfaceByIndex(n)
-}
-
-func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error {
-	var n int
-	if ifi != nil {
-		n = ifi.Index
-	}
-	return so.SetInt(c, n)
-}
-
-func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) {
-	b := make([]byte, so.Len)
-	n, err := so.Get(c, b)
-	if err != nil {
-		return nil, err
-	}
-	if n != sizeofICMPv6Filter {
-		return nil, errNotImplemented
-	}
-	return (*ICMPFilter)(unsafe.Pointer(&b[0])), nil
-}
-
-func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error {
-	b := (*[sizeofICMPv6Filter]byte)(unsafe.Pointer(f))[:sizeofICMPv6Filter]
-	return so.Set(c, b)
-}
-
-func (so *sockOpt) getMTUInfo(c *socket.Conn) (*net.Interface, int, error) {
-	b := make([]byte, so.Len)
-	n, err := so.Get(c, b)
-	if err != nil {
-		return nil, 0, err
-	}
-	if n != sizeofIPv6Mtuinfo {
-		return nil, 0, errNotImplemented
-	}
-	mi := (*ipv6Mtuinfo)(unsafe.Pointer(&b[0]))
-	if mi.Addr.Scope_id == 0 || runtime.GOOS == "aix" {
-		// AIX kernel might return a wrong address.
-		return nil, int(mi.Mtu), nil
-	}
-	ifi, err := net.InterfaceByIndex(int(mi.Addr.Scope_id))
-	if err != nil {
-		return nil, 0, err
-	}
-	return ifi, int(mi.Mtu), nil
-}
-
-func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
-	switch so.typ {
-	case ssoTypeIPMreq:
-		return so.setIPMreq(c, ifi, grp)
-	case ssoTypeGroupReq:
-		return so.setGroupReq(c, ifi, grp)
-	default:
-		return errNotImplemented
-	}
-}
-
-func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
-	return so.setGroupSourceReq(c, ifi, grp, src)
-}
-
-func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error {
-	return so.setAttachFilter(c, f)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sockopt_stub.go b/vendor/golang.org/x/net/ipv6/sockopt_stub.go
deleted file mode 100644
index a09c3aaf2..000000000
--- a/vendor/golang.org/x/net/ipv6/sockopt_stub.go
+++ /dev/null
@@ -1,46 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-
-package ipv6
-
-import (
-	"net"
-
-	"golang.org/x/net/bpf"
-	"golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) {
-	return nil, errNotImplemented
-}
-
-func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error {
-	return errNotImplemented
-}
-
-func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) {
-	return nil, errNotImplemented
-}
-
-func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error {
-	return errNotImplemented
-}
-
-func (so *sockOpt) getMTUInfo(c *socket.Conn) (*net.Interface, int, error) {
-	return nil, 0, errNotImplemented
-}
-
-func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
-	return errNotImplemented
-}
-
-func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
-	return errNotImplemented
-}
-
-func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error {
-	return errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_aix.go b/vendor/golang.org/x/net/ipv6/sys_aix.go
deleted file mode 100644
index 93c8efc46..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_aix.go
+++ /dev/null
@@ -1,79 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Added for go1.11 compatibility
-//go:build aix
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
-		ctlHopLimit:     {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo:   {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlNextHop:      {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
-		ctlPathMTU:      {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]*sockOpt{
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoPathMTU:             {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = int32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Interface = uint32(i)
-}
-
-func (gr *groupReq) setGroup(grp net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-}
-
-func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-	sa = (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 132))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], src)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_asmreq.go b/vendor/golang.org/x/net/ipv6/sys_asmreq.go
deleted file mode 100644
index 5c9cb4447..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_asmreq.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows
-
-package ipv6
-
-import (
-	"net"
-	"unsafe"
-
-	"golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
-	var mreq ipv6Mreq
-	copy(mreq.Multiaddr[:], grp)
-	if ifi != nil {
-		mreq.setIfindex(ifi.Index)
-	}
-	b := (*[sizeofIPv6Mreq]byte)(unsafe.Pointer(&mreq))[:sizeofIPv6Mreq]
-	return so.Set(c, b)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go b/vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go
deleted file mode 100644
index dc7049468..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows
-
-package ipv6
-
-import (
-	"net"
-
-	"golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
-	return errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_bpf.go b/vendor/golang.org/x/net/ipv6/sys_bpf.go
deleted file mode 100644
index e39f75f49..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_bpf.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux
-
-package ipv6
-
-import (
-	"unsafe"
-
-	"golang.org/x/net/bpf"
-	"golang.org/x/net/internal/socket"
-	"golang.org/x/sys/unix"
-)
-
-func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error {
-	prog := unix.SockFprog{
-		Len:    uint16(len(f)),
-		Filter: (*unix.SockFilter)(unsafe.Pointer(&f[0])),
-	}
-	b := (*[unix.SizeofSockFprog]byte)(unsafe.Pointer(&prog))[:unix.SizeofSockFprog]
-	return so.Set(c, b)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_bpf_stub.go b/vendor/golang.org/x/net/ipv6/sys_bpf_stub.go
deleted file mode 100644
index 8532a8f5d..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_bpf_stub.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !linux
-
-package ipv6
-
-import (
-	"golang.org/x/net/bpf"
-	"golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error {
-	return errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_bsd.go b/vendor/golang.org/x/net/ipv6/sys_bsd.go
deleted file mode 100644
index 9f3bc2afd..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_bsd.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build dragonfly || netbsd || openbsd
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
-		ctlHopLimit:     {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo:   {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlNextHop:      {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
-		ctlPathMTU:      {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]*sockOpt{
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoPathMTU:             {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = uint32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Interface = uint32(i)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_darwin.go b/vendor/golang.org/x/net/ipv6/sys_darwin.go
deleted file mode 100644
index b80ec8064..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_darwin.go
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
-		ctlHopLimit:     {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo:   {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlNextHop:      {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
-		ctlPathMTU:      {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]*sockOpt{
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoPathMTU:             {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoJoinSourceGroup:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoLeaveSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoBlockSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoUnblockSourceGroup:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = uint32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Interface = uint32(i)
-}
-
-func (gr *groupReq) setGroup(grp net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-}
-
-func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-	sa = (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 132))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], src)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_freebsd.go b/vendor/golang.org/x/net/ipv6/sys_freebsd.go
deleted file mode 100644
index 6282cf977..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_freebsd.go
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"runtime"
-	"strings"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
-		ctlHopLimit:     {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo:   {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlNextHop:      {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
-		ctlPathMTU:      {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]sockOpt{
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoPathMTU:             {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoJoinSourceGroup:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoLeaveSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoBlockSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoUnblockSourceGroup:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-	}
-)
-
-func init() {
-	if runtime.GOOS == "freebsd" && runtime.GOARCH == "386" {
-		archs, _ := syscall.Sysctl("kern.supported_archs")
-		for _, s := range strings.Fields(archs) {
-			if s == "amd64" {
-				compatFreeBSD32 = true
-				break
-			}
-		}
-	}
-}
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = uint32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Interface = uint32(i)
-}
-
-func (gr *groupReq) setGroup(grp net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-}
-
-func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-	sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source))
-	sa.Len = sizeofSockaddrInet6
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], src)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_linux.go b/vendor/golang.org/x/net/ipv6/sys_linux.go
deleted file mode 100644
index 82e212100..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_linux.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
-		ctlHopLimit:     {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo:   {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlPathMTU:      {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]*sockOpt{
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoPathMTU:             {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolReserved, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMPV6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoJoinSourceGroup:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoLeaveSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoBlockSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoUnblockSourceGroup:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoAttachFilter:        {Option: socket.Option{Level: unix.SOL_SOCKET, Name: unix.SO_ATTACH_FILTER, Len: unix.SizeofSockFprog}},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = int32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Ifindex = int32(i)
-}
-
-func (gr *groupReq) setGroup(grp net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group))
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-}
-
-func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group))
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-	sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source))
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], src)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_solaris.go b/vendor/golang.org/x/net/ipv6/sys_solaris.go
deleted file mode 100644
index 1fc30add4..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_solaris.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
-		ctlHopLimit:     {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo:   {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlNextHop:      {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
-		ctlPathMTU:      {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]*sockOpt{
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoPathMTU:             {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoJoinSourceGroup:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoLeaveSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoBlockSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoUnblockSourceGroup:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = uint32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Interface = uint32(i)
-}
-
-func (gr *groupReq) setGroup(grp net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4))
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-}
-
-func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4))
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], grp)
-	sa = (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 260))
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], src)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_ssmreq.go b/vendor/golang.org/x/net/ipv6/sys_ssmreq.go
deleted file mode 100644
index b40f5c685..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_ssmreq.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build aix || darwin || freebsd || linux || solaris || zos
-
-package ipv6
-
-import (
-	"net"
-	"unsafe"
-
-	"golang.org/x/net/internal/socket"
-)
-
-var compatFreeBSD32 bool // 386 emulation on amd64
-
-func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
-	var gr groupReq
-	if ifi != nil {
-		gr.Interface = uint32(ifi.Index)
-	}
-	gr.setGroup(grp)
-	var b []byte
-	if compatFreeBSD32 {
-		var d [sizeofGroupReq + 4]byte
-		s := (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))
-		copy(d[:4], s[:4])
-		copy(d[8:], s[4:])
-		b = d[:]
-	} else {
-		b = (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))[:sizeofGroupReq]
-	}
-	return so.Set(c, b)
-}
-
-func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
-	var gsr groupSourceReq
-	if ifi != nil {
-		gsr.Interface = uint32(ifi.Index)
-	}
-	gsr.setSourceGroup(grp, src)
-	var b []byte
-	if compatFreeBSD32 {
-		var d [sizeofGroupSourceReq + 4]byte
-		s := (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))
-		copy(d[:4], s[:4])
-		copy(d[8:], s[4:])
-		b = d[:]
-	} else {
-		b = (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))[:sizeofGroupSourceReq]
-	}
-	return so.Set(c, b)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go b/vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go
deleted file mode 100644
index 6526aad58..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !freebsd && !linux && !solaris && !zos
-
-package ipv6
-
-import (
-	"net"
-
-	"golang.org/x/net/internal/socket"
-)
-
-func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
-	return errNotImplemented
-}
-
-func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
-	return errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_stub.go b/vendor/golang.org/x/net/ipv6/sys_stub.go
deleted file mode 100644
index 76602c34e..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_stub.go
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
-
-package ipv6
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{}
-
-	sockOpts = map[int]*sockOpt{}
-)
diff --git a/vendor/golang.org/x/net/ipv6/sys_windows.go b/vendor/golang.org/x/net/ipv6/sys_windows.go
deleted file mode 100644
index fda8a2994..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_windows.go
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/windows"
-)
-
-const (
-	sizeofSockaddrInet6 = 0x1c
-
-	sizeofIPv6Mreq     = 0x14
-	sizeofIPv6Mtuinfo  = 0x20
-	sizeofICMPv6Filter = 0
-)
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type icmpv6Filter struct {
-	// TODO(mikio): implement this
-}
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{}
-
-	sockOpts = map[int]*sockOpt{
-		ssoHopLimit:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoJoinGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
-		ssoLeaveGroup:         {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (mreq *ipv6Mreq) setIfindex(i int) {
-	mreq.Interface = uint32(i)
-}
diff --git a/vendor/golang.org/x/net/ipv6/sys_zos.go b/vendor/golang.org/x/net/ipv6/sys_zos.go
deleted file mode 100644
index 31adc8665..000000000
--- a/vendor/golang.org/x/net/ipv6/sys_zos.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Copyright 2020 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ipv6
-
-import (
-	"net"
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/net/internal/iana"
-	"golang.org/x/net/internal/socket"
-
-	"golang.org/x/sys/unix"
-)
-
-var (
-	ctlOpts = [ctlMax]ctlOpt{
-		ctlHopLimit:   {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
-		ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
-		ctlPathMTU:    {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
-	}
-
-	sockOpts = map[int]*sockOpt{
-		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
-		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
-		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
-		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
-		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
-		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
-		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
-		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
-		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
-		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
-		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
-		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
-		ssoJoinSourceGroup:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoLeaveSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoBlockSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-		ssoUnblockSourceGroup:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
-	}
-)
-
-func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
-	sa.Family = syscall.AF_INET6
-	copy(sa.Addr[:], ip)
-	sa.Scope_id = uint32(i)
-}
-
-func (pi *inet6Pktinfo) setIfindex(i int) {
-	pi.Ifindex = uint32(i)
-}
-
-func (gr *groupReq) setGroup(grp net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group))
-	sa.Family = syscall.AF_INET6
-	sa.Len = sizeofSockaddrInet6
-	copy(sa.Addr[:], grp)
-}
-
-func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
-	sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group))
-	sa.Family = syscall.AF_INET6
-	sa.Len = sizeofSockaddrInet6
-	copy(sa.Addr[:], grp)
-	sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source))
-	sa.Family = syscall.AF_INET6
-	sa.Len = sizeofSockaddrInet6
-	copy(sa.Addr[:], src)
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go b/vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go
deleted file mode 100644
index 668716df4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go
+++ /dev/null
@@ -1,68 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_aix.go
-
-// Added for go1.11 compatibility
-//go:build aix
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x508
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x510
-	sizeofGroupSourceReq = 0xa18
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	X__ss_len   uint8
-	Family      uint8
-	X__ss_pad1  [6]uint8
-	X__ss_align int64
-	X__ss_pad2  [1265]uint8
-	Pad_cgo_0   [7]byte
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_darwin.go b/vendor/golang.org/x/net/ipv6/zsys_darwin.go
deleted file mode 100644
index dd6f7b28e..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_darwin.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_darwin.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x80
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Len         uint8
-	Family      uint8
-	X__ss_pad1  [6]int8
-	X__ss_align int64
-	X__ss_pad2  [112]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [128]byte
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [128]byte
-	Pad_cgo_1 [128]byte
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_dragonfly.go b/vendor/golang.org/x/net/ipv6/zsys_dragonfly.go
deleted file mode 100644
index 6b45a94fe..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_dragonfly.go
+++ /dev/null
@@ -1,42 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_dragonfly.go
-
-package ipv6
-
-const (
-	sizeofSockaddrInet6 = 0x1c
-	sizeofInet6Pktinfo  = 0x14
-	sizeofIPv6Mtuinfo   = 0x20
-
-	sizeofIPv6Mreq = 0x14
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_386.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_386.go
deleted file mode 100644
index 8da55925f..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_freebsd_386.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_freebsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x80
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Len         uint8
-	Family      uint8
-	X__ss_pad1  [6]int8
-	X__ss_align int64
-	X__ss_pad2  [112]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_amd64.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_amd64.go
deleted file mode 100644
index 72a1a65a2..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_freebsd_amd64.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_freebsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x80
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Len         uint8
-	Family      uint8
-	X__ss_pad1  [6]int8
-	X__ss_align int64
-	X__ss_pad2  [112]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm.go
deleted file mode 100644
index 72a1a65a2..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_freebsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x80
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Len         uint8
-	Family      uint8
-	X__ss_pad1  [6]int8
-	X__ss_align int64
-	X__ss_pad2  [112]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm64.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm64.go
deleted file mode 100644
index 5b39eb8df..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm64.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_freebsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x80
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Len         uint8
-	Family      uint8
-	X__ss_pad1  [6]uint8
-	X__ss_align int64
-	X__ss_pad2  [112]uint8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_riscv64.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_riscv64.go
deleted file mode 100644
index 5b39eb8df..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_freebsd_riscv64.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_freebsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x80
-	sizeofSockaddrInet6   = 0x1c
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Len         uint8
-	Family      uint8
-	X__ss_pad1  [6]uint8
-	X__ss_align int64
-	X__ss_pad2  [112]uint8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_386.go b/vendor/golang.org/x/net/ipv6/zsys_linux_386.go
deleted file mode 100644
index ad71871b7..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_386.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_amd64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_amd64.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_amd64.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_arm.go b/vendor/golang.org/x/net/ipv6/zsys_linux_arm.go
deleted file mode 100644
index ad71871b7..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_arm.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_arm64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_arm64.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_arm64.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go
deleted file mode 100644
index 6a53284db..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-//go:build loong64
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mips.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mips.go
deleted file mode 100644
index ad71871b7..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_mips.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go
deleted file mode 100644
index ad71871b7..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go
deleted file mode 100644
index d06c2adec..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x84
-	sizeofGroupSourceReq = 0x104
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go
deleted file mode 100644
index 13b347205..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-//go:build riscv64
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go b/vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go
deleted file mode 100644
index 2514ab9a4..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_linux.go
-
-package ipv6
-
-const (
-	sizeofKernelSockaddrStorage = 0x80
-	sizeofSockaddrInet6         = 0x1c
-	sizeofInet6Pktinfo          = 0x14
-	sizeofIPv6Mtuinfo           = 0x20
-	sizeofIPv6FlowlabelReq      = 0x20
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x88
-	sizeofGroupSourceReq = 0x108
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type kernelSockaddrStorage struct {
-	Family  uint16
-	X__data [126]int8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex int32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6FlowlabelReq struct {
-	Dst        [16]byte /* in6_addr */
-	Label      uint32
-	Action     uint8
-	Share      uint8
-	Flags      uint16
-	Expires    uint16
-	Linger     uint16
-	X__flr_pad uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Ifindex   int32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [4]byte
-	Group     kernelSockaddrStorage
-	Source    kernelSockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Data [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_netbsd.go b/vendor/golang.org/x/net/ipv6/zsys_netbsd.go
deleted file mode 100644
index f7335d5ae..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_netbsd.go
+++ /dev/null
@@ -1,42 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_netbsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrInet6 = 0x1c
-	sizeofInet6Pktinfo  = 0x14
-	sizeofIPv6Mtuinfo   = 0x20
-
-	sizeofIPv6Mreq = 0x14
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_openbsd.go b/vendor/golang.org/x/net/ipv6/zsys_openbsd.go
deleted file mode 100644
index 6d1592812..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_openbsd.go
+++ /dev/null
@@ -1,42 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_openbsd.go
-
-package ipv6
-
-const (
-	sizeofSockaddrInet6 = 0x1c
-	sizeofInet6Pktinfo  = 0x14
-	sizeofIPv6Mtuinfo   = 0x20
-
-	sizeofIPv6Mreq = 0x14
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_solaris.go b/vendor/golang.org/x/net/ipv6/zsys_solaris.go
deleted file mode 100644
index 171619747..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_solaris.go
+++ /dev/null
@@ -1,63 +0,0 @@
-// Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs defs_solaris.go
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 0x100
-	sizeofSockaddrInet6   = 0x20
-	sizeofInet6Pktinfo    = 0x14
-	sizeofIPv6Mtuinfo     = 0x24
-
-	sizeofIPv6Mreq       = 0x14
-	sizeofGroupReq       = 0x104
-	sizeofGroupSourceReq = 0x204
-
-	sizeofICMPv6Filter = 0x20
-)
-
-type sockaddrStorage struct {
-	Family     uint16
-	X_ss_pad1  [6]int8
-	X_ss_align float64
-	X_ss_pad2  [240]int8
-}
-
-type sockaddrInet6 struct {
-	Family         uint16
-	Port           uint16
-	Flowinfo       uint32
-	Addr           [16]byte /* in6_addr */
-	Scope_id       uint32
-	X__sin6_src_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte /* in6_addr */
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type ipv6Mreq struct {
-	Multiaddr [16]byte /* in6_addr */
-	Interface uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	Pad_cgo_0 [256]byte
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	Pad_cgo_0 [256]byte
-	Pad_cgo_1 [256]byte
-}
-
-type icmpv6Filter struct {
-	X__icmp6_filt [8]uint32
-}
diff --git a/vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go b/vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go
deleted file mode 100644
index 7c7564596..000000000
--- a/vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go
+++ /dev/null
@@ -1,62 +0,0 @@
-// Copyright 2020 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Hand edited based on zerrors_zos_s390x.go
-// TODO(Bill O'Farrell): auto-generate.
-
-package ipv6
-
-const (
-	sizeofSockaddrStorage = 128
-	sizeofICMPv6Filter    = 32
-	sizeofInet6Pktinfo    = 20
-	sizeofIPv6Mtuinfo     = 32
-	sizeofSockaddrInet6   = 28
-	sizeofGroupReq        = 136
-	sizeofGroupSourceReq  = 264
-)
-
-type sockaddrStorage struct {
-	Len      uint8
-	Family   byte
-	ss_pad1  [6]byte
-	ss_align int64
-	ss_pad2  [112]byte
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte
-	Scope_id uint32
-}
-
-type inet6Pktinfo struct {
-	Addr    [16]byte
-	Ifindex uint32
-}
-
-type ipv6Mtuinfo struct {
-	Addr sockaddrInet6
-	Mtu  uint32
-}
-
-type groupReq struct {
-	Interface uint32
-	reserved  uint32
-	Group     sockaddrStorage
-}
-
-type groupSourceReq struct {
-	Interface uint32
-	reserved  uint32
-	Group     sockaddrStorage
-	Source    sockaddrStorage
-}
-
-type icmpv6Filter struct {
-	Filt [8]uint32
-}