WIP: Save agent roles integration work before CHORUS rebrand

- Agent roles and coordination features - Chat API integration testing - New configuration and workspace management 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
2025-08-01 02:21:11 +10:00
parent 81b473d48f
commit 5978a0b8f5
3713 changed files with 1103925 additions and 59 deletions
--- a/vendor/golang.org/x/net/route/address.go
+++ b/vendor/golang.org/x/net/route/address.go
@@ -0,0 +1,432 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package route
+
+import (
+	"runtime"
+	"syscall"
+)
+
+// An Addr represents an address associated with packet routing.
+type Addr interface {
+	// Family returns an address family.
+	Family() int
+}
+
+// A LinkAddr represents a link-layer address.
+type LinkAddr struct {
+	Index int    // interface index when attached
+	Name  string // interface name when attached
+	Addr  []byte // link-layer address when attached
+}
+
+// Family implements the Family method of Addr interface.
+func (a *LinkAddr) Family() int { return syscall.AF_LINK }
+
+func (a *LinkAddr) lenAndSpace() (int, int) {
+	l := 8 + len(a.Name) + len(a.Addr)
+	return l, roundup(l)
+}
+
+func (a *LinkAddr) marshal(b []byte) (int, error) {
+	l, ll := a.lenAndSpace()
+	if len(b) < ll {
+		return 0, errShortBuffer
+	}
+	nlen, alen := len(a.Name), len(a.Addr)
+	if nlen > 255 || alen > 255 {
+		return 0, errInvalidAddr
+	}
+	b[0] = byte(l)
+	b[1] = syscall.AF_LINK
+	if a.Index > 0 {
+		nativeEndian.PutUint16(b[2:4], uint16(a.Index))
+	}
+	data := b[8:]
+	if nlen > 0 {
+		b[5] = byte(nlen)
+		copy(data[:nlen], a.Name)
+		data = data[nlen:]
+	}
+	if alen > 0 {
+		b[6] = byte(alen)
+		copy(data[:alen], a.Addr)
+		data = data[alen:]
+	}
+	return ll, nil
+}
+
+func parseLinkAddr(b []byte) (Addr, error) {
+	if len(b) < 8 {
+		return nil, errInvalidAddr
+	}
+	_, a, err := parseKernelLinkAddr(syscall.AF_LINK, b[4:])
+	if err != nil {
+		return nil, err
+	}
+	a.(*LinkAddr).Index = int(nativeEndian.Uint16(b[2:4]))
+	return a, nil
+}
+
+// parseKernelLinkAddr parses b as a link-layer address in
+// conventional BSD kernel form.
+func parseKernelLinkAddr(_ int, b []byte) (int, Addr, error) {
+	// The encoding looks like the following:
+	// +----------------------------+
+	// | Type             (1 octet) |
+	// +----------------------------+
+	// | Name length      (1 octet) |
+	// +----------------------------+
+	// | Address length   (1 octet) |
+	// +----------------------------+
+	// | Selector length  (1 octet) |
+	// +----------------------------+
+	// | Data            (variable) |
+	// +----------------------------+
+	//
+	// On some platforms, all-bit-one of length field means "don't
+	// care".
+	nlen, alen, slen := int(b[1]), int(b[2]), int(b[3])
+	if nlen == 0xff {
+		nlen = 0
+	}
+	if alen == 0xff {
+		alen = 0
+	}
+	if slen == 0xff {
+		slen = 0
+	}
+	l := 4 + nlen + alen + slen
+	if len(b) < l {
+		return 0, nil, errInvalidAddr
+	}
+	data := b[4:]
+	var name string
+	var addr []byte
+	if nlen > 0 {
+		name = string(data[:nlen])
+		data = data[nlen:]
+	}
+	if alen > 0 {
+		addr = data[:alen]
+		data = data[alen:]
+	}
+	return l, &LinkAddr{Name: name, Addr: addr}, nil
+}
+
+// An Inet4Addr represents an internet address for IPv4.
+type Inet4Addr struct {
+	IP [4]byte // IP address
+}
+
+// Family implements the Family method of Addr interface.
+func (a *Inet4Addr) Family() int { return syscall.AF_INET }
+
+func (a *Inet4Addr) lenAndSpace() (int, int) {
+	return sizeofSockaddrInet, roundup(sizeofSockaddrInet)
+}
+
+func (a *Inet4Addr) marshal(b []byte) (int, error) {
+	l, ll := a.lenAndSpace()
+	if len(b) < ll {
+		return 0, errShortBuffer
+	}
+	b[0] = byte(l)
+	b[1] = syscall.AF_INET
+	copy(b[4:8], a.IP[:])
+	return ll, nil
+}
+
+// An Inet6Addr represents an internet address for IPv6.
+type Inet6Addr struct {
+	IP     [16]byte // IP address
+	ZoneID int      // zone identifier
+}
+
+// Family implements the Family method of Addr interface.
+func (a *Inet6Addr) Family() int { return syscall.AF_INET6 }
+
+func (a *Inet6Addr) lenAndSpace() (int, int) {
+	return sizeofSockaddrInet6, roundup(sizeofSockaddrInet6)
+}
+
+func (a *Inet6Addr) marshal(b []byte) (int, error) {
+	l, ll := a.lenAndSpace()
+	if len(b) < ll {
+		return 0, errShortBuffer
+	}
+	b[0] = byte(l)
+	b[1] = syscall.AF_INET6
+	copy(b[8:24], a.IP[:])
+	if a.ZoneID > 0 {
+		nativeEndian.PutUint32(b[24:28], uint32(a.ZoneID))
+	}
+	return ll, nil
+}
+
+// parseInetAddr parses b as an internet address for IPv4 or IPv6.
+func parseInetAddr(af int, b []byte) (Addr, error) {
+	switch af {
+	case syscall.AF_INET:
+		if len(b) < sizeofSockaddrInet {
+			return nil, errInvalidAddr
+		}
+		a := &Inet4Addr{}
+		copy(a.IP[:], b[4:8])
+		return a, nil
+	case syscall.AF_INET6:
+		if len(b) < sizeofSockaddrInet6 {
+			return nil, errInvalidAddr
+		}
+		a := &Inet6Addr{ZoneID: int(nativeEndian.Uint32(b[24:28]))}
+		copy(a.IP[:], b[8:24])
+		if a.IP[0] == 0xfe && a.IP[1]&0xc0 == 0x80 || a.IP[0] == 0xff && (a.IP[1]&0x0f == 0x01 || a.IP[1]&0x0f == 0x02) {
+			// KAME based IPv6 protocol stack usually
+			// embeds the interface index in the
+			// interface-local or link-local address as
+			// the kernel-internal form.
+			id := int(bigEndian.Uint16(a.IP[2:4]))
+			if id != 0 {
+				a.ZoneID = id
+				a.IP[2], a.IP[3] = 0, 0
+			}
+		}
+		return a, nil
+	default:
+		return nil, errInvalidAddr
+	}
+}
+
+// parseKernelInetAddr parses b as an internet address in conventional
+// BSD kernel form.
+func parseKernelInetAddr(af int, b []byte) (int, Addr, error) {
+	// The encoding looks similar to the NLRI encoding.
+	// +----------------------------+
+	// | Length           (1 octet) |
+	// +----------------------------+
+	// | Address prefix  (variable) |
+	// +----------------------------+
+	//
+	// The differences between the kernel form and the NLRI
+	// encoding are:
+	//
+	// - The length field of the kernel form indicates the prefix
+	//   length in bytes, not in bits
+	//
+	// - In the kernel form, zero value of the length field
+	//   doesn't mean 0.0.0.0/0 or ::/0
+	//
+	// - The kernel form appends leading bytes to the prefix field
+	//   to make the <length, prefix> tuple to be conformed with
+	//   the routing message boundary
+	l := int(b[0])
+	if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
+		// On Darwin, an address in the kernel form is also
+		// used as a message filler.
+		if l == 0 || len(b) > roundup(l) {
+			l = roundup(l)
+		}
+	} else {
+		l = roundup(l)
+	}
+	if len(b) < l {
+		return 0, nil, errInvalidAddr
+	}
+	// Don't reorder case expressions.
+	// The case expressions for IPv6 must come first.
+	const (
+		off4 = 4 // offset of in_addr
+		off6 = 8 // offset of in6_addr
+	)
+	switch {
+	case b[0] == sizeofSockaddrInet6:
+		a := &Inet6Addr{}
+		copy(a.IP[:], b[off6:off6+16])
+		return int(b[0]), a, nil
+	case af == syscall.AF_INET6:
+		a := &Inet6Addr{}
+		if l-1 < off6 {
+			copy(a.IP[:], b[1:l])
+		} else {
+			copy(a.IP[:], b[l-off6:l])
+		}
+		return int(b[0]), a, nil
+	case b[0] == sizeofSockaddrInet:
+		a := &Inet4Addr{}
+		copy(a.IP[:], b[off4:off4+4])
+		return int(b[0]), a, nil
+	default: // an old fashion, AF_UNSPEC or unknown means AF_INET
+		a := &Inet4Addr{}
+		if l-1 < off4 {
+			copy(a.IP[:], b[1:l])
+		} else {
+			copy(a.IP[:], b[l-off4:l])
+		}
+		return int(b[0]), a, nil
+	}
+}
+
+// A DefaultAddr represents an address of various operating
+// system-specific features.
+type DefaultAddr struct {
+	af  int
+	Raw []byte // raw format of address
+}
+
+// Family implements the Family method of Addr interface.
+func (a *DefaultAddr) Family() int { return a.af }
+
+func (a *DefaultAddr) lenAndSpace() (int, int) {
+	l := len(a.Raw)
+	return l, roundup(l)
+}
+
+func (a *DefaultAddr) marshal(b []byte) (int, error) {
+	l, ll := a.lenAndSpace()
+	if len(b) < ll {
+		return 0, errShortBuffer
+	}
+	if l > 255 {
+		return 0, errInvalidAddr
+	}
+	b[1] = byte(l)
+	copy(b[:l], a.Raw)
+	return ll, nil
+}
+
+func parseDefaultAddr(b []byte) (Addr, error) {
+	if len(b) < 2 || len(b) < int(b[0]) {
+		return nil, errInvalidAddr
+	}
+	a := &DefaultAddr{af: int(b[1]), Raw: b[:b[0]]}
+	return a, nil
+}
+
+func addrsSpace(as []Addr) int {
+	var l int
+	for _, a := range as {
+		switch a := a.(type) {
+		case *LinkAddr:
+			_, ll := a.lenAndSpace()
+			l += ll
+		case *Inet4Addr:
+			_, ll := a.lenAndSpace()
+			l += ll
+		case *Inet6Addr:
+			_, ll := a.lenAndSpace()
+			l += ll
+		case *DefaultAddr:
+			_, ll := a.lenAndSpace()
+			l += ll
+		}
+	}
+	return l
+}
+
+// marshalAddrs marshals as and returns a bitmap indicating which
+// address is stored in b.
+func marshalAddrs(b []byte, as []Addr) (uint, error) {
+	var attrs uint
+	for i, a := range as {
+		switch a := a.(type) {
+		case *LinkAddr:
+			l, err := a.marshal(b)
+			if err != nil {
+				return 0, err
+			}
+			b = b[l:]
+			attrs |= 1 << uint(i)
+		case *Inet4Addr:
+			l, err := a.marshal(b)
+			if err != nil {
+				return 0, err
+			}
+			b = b[l:]
+			attrs |= 1 << uint(i)
+		case *Inet6Addr:
+			l, err := a.marshal(b)
+			if err != nil {
+				return 0, err
+			}
+			b = b[l:]
+			attrs |= 1 << uint(i)
+		case *DefaultAddr:
+			l, err := a.marshal(b)
+			if err != nil {
+				return 0, err
+			}
+			b = b[l:]
+			attrs |= 1 << uint(i)
+		}
+	}
+	return attrs, nil
+}
+
+func parseAddrs(attrs uint, fn func(int, []byte) (int, Addr, error), b []byte) ([]Addr, error) {
+	var as [syscall.RTAX_MAX]Addr
+	af := int(syscall.AF_UNSPEC)
+	for i := uint(0); i < syscall.RTAX_MAX && len(b) >= roundup(0); i++ {
+		if attrs&(1<<i) == 0 {
+			continue
+		}
+		if i <= syscall.RTAX_BRD {
+			switch b[1] {
+			case syscall.AF_LINK:
+				a, err := parseLinkAddr(b)
+				if err != nil {
+					return nil, err
+				}
+				as[i] = a
+				l := roundup(int(b[0]))
+				if len(b) < l {
+					return nil, errMessageTooShort
+				}
+				b = b[l:]
+			case syscall.AF_INET, syscall.AF_INET6:
+				af = int(b[1])
+				a, err := parseInetAddr(af, b)
+				if err != nil {
+					return nil, err
+				}
+				as[i] = a
+				l := roundup(int(b[0]))
+				if len(b) < l {
+					return nil, errMessageTooShort
+				}
+				b = b[l:]
+			default:
+				l, a, err := fn(af, b)
+				if err != nil {
+					return nil, err
+				}
+				as[i] = a
+				ll := roundup(l)
+				if len(b) < ll {
+					b = b[l:]
+				} else {
+					b = b[ll:]
+				}
+			}
+		} else {
+			a, err := parseDefaultAddr(b)
+			if err != nil {
+				return nil, err
+			}
+			as[i] = a
+			l := roundup(int(b[0]))
+			if len(b) < l {
+				return nil, errMessageTooShort
+			}
+			b = b[l:]
+		}
+	}
+	// The only remaining bytes in b should be alignment.
+	// However, under some circumstances DragonFly BSD appears to put
+	// more addresses in the message than are indicated in the address
+	// bitmask, so don't check for this.
+	return as[:], nil
+}
--- a/vendor/golang.org/x/net/route/binary.go
+++ b/vendor/golang.org/x/net/route/binary.go
@@ -0,0 +1,90 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package route
+
+// This file contains duplicates of encoding/binary package.
+//
+// This package is supposed to be used by the net package of standard
+// library. Therefore the package set used in the package must be the
+// same as net package.
+
+var (
+	littleEndian binaryLittleEndian
+	bigEndian    binaryBigEndian
+)
+
+type binaryByteOrder interface {
+	Uint16([]byte) uint16
+	Uint32([]byte) uint32
+	PutUint16([]byte, uint16)
+	PutUint32([]byte, uint32)
+	Uint64([]byte) uint64
+}
+
+type binaryLittleEndian struct{}
+
+func (binaryLittleEndian) Uint16(b []byte) uint16 {
+	_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint16(b[0]) | uint16(b[1])<<8
+}
+
+func (binaryLittleEndian) PutUint16(b []byte, v uint16) {
+	_ = b[1] // early bounds check to guarantee safety of writes below
+	b[0] = byte(v)
+	b[1] = byte(v >> 8)
+}
+
+func (binaryLittleEndian) Uint32(b []byte) uint32 {
+	_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
+}
+
+func (binaryLittleEndian) PutUint32(b []byte, v uint32) {
+	_ = b[3] // early bounds check to guarantee safety of writes below
+	b[0] = byte(v)
+	b[1] = byte(v >> 8)
+	b[2] = byte(v >> 16)
+	b[3] = byte(v >> 24)
+}
+
+func (binaryLittleEndian) Uint64(b []byte) uint64 {
+	_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
+		uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
+}
+
+type binaryBigEndian struct{}
+
+func (binaryBigEndian) Uint16(b []byte) uint16 {
+	_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint16(b[1]) | uint16(b[0])<<8
+}
+
+func (binaryBigEndian) PutUint16(b []byte, v uint16) {
+	_ = b[1] // early bounds check to guarantee safety of writes below
+	b[0] = byte(v >> 8)
+	b[1] = byte(v)
+}
+
+func (binaryBigEndian) Uint32(b []byte) uint32 {
+	_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
+}
+
+func (binaryBigEndian) PutUint32(b []byte, v uint32) {
+	_ = b[3] // early bounds check to guarantee safety of writes below
+	b[0] = byte(v >> 24)
+	b[1] = byte(v >> 16)
+	b[2] = byte(v >> 8)
+	b[3] = byte(v)
+}
+
+func (binaryBigEndian) Uint64(b []byte) uint64 {
+	_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
+		uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
+}
--- a/vendor/golang.org/x/net/route/empty.s
+++ b/vendor/golang.org/x/net/route/empty.s
@@ -0,0 +1,7 @@
+// Copyright 2018 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 && go1.12
+
+// This exists solely so we can linkname in symbols from syscall.
--- a/vendor/golang.org/x/net/route/interface.go
+++ b/vendor/golang.org/x/net/route/interface.go
@@ -0,0 +1,64 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package route
+
+// An InterfaceMessage represents an interface message.
+type InterfaceMessage struct {
+	Version int    // message version
+	Type    int    // message type
+	Flags   int    // interface flags
+	Index   int    // interface index
+	Name    string // interface name
+	Addrs   []Addr // addresses
+
+	extOff int    // offset of header extension
+	raw    []byte // raw message
+}
+
+// An InterfaceAddrMessage represents an interface address message.
+type InterfaceAddrMessage struct {
+	Version int    // message version
+	Type    int    // message type
+	Flags   int    // interface flags
+	Index   int    // interface index
+	Addrs   []Addr // addresses
+
+	raw []byte // raw message
+}
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceAddrMessage) Sys() []Sys { return nil }
+
+// An InterfaceMulticastAddrMessage represents an interface multicast
+// address message.
+type InterfaceMulticastAddrMessage struct {
+	Version int    // message version
+	Type    int    // message type
+	Flags   int    // interface flags
+	Index   int    // interface index
+	Addrs   []Addr // addresses
+
+	raw []byte // raw message
+}
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMulticastAddrMessage) Sys() []Sys { return nil }
+
+// An InterfaceAnnounceMessage represents an interface announcement
+// message.
+type InterfaceAnnounceMessage struct {
+	Version int    // message version
+	Type    int    // message type
+	Index   int    // interface index
+	Name    string // interface name
+	What    int    // what type of announcement
+
+	raw []byte // raw message
+}
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceAnnounceMessage) Sys() []Sys { return nil }
--- a/vendor/golang.org/x/net/route/interface_announce.go
+++ b/vendor/golang.org/x/net/route/interface_announce.go
@@ -0,0 +1,32 @@
+// 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.
+
+//go:build dragonfly || freebsd || netbsd
+
+package route
+
+func (w *wireFormat) parseInterfaceAnnounceMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < w.bodyOff {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &InterfaceAnnounceMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Index:   int(nativeEndian.Uint16(b[4:6])),
+		What:    int(nativeEndian.Uint16(b[22:24])),
+		raw:     b[:l],
+	}
+	for i := 0; i < 16; i++ {
+		if b[6+i] != 0 {
+			continue
+		}
+		m.Name = string(b[6 : 6+i])
+		break
+	}
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/interface_classic.go
+++ b/vendor/golang.org/x/net/route/interface_classic.go
@@ -0,0 +1,69 @@
+// 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.
+
+//go:build darwin || dragonfly || netbsd
+
+package route
+
+import (
+	"runtime"
+	"syscall"
+)
+
+func (w *wireFormat) parseInterfaceMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < w.bodyOff {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	attrs := uint(nativeEndian.Uint32(b[4:8]))
+	if attrs&syscall.RTA_IFP == 0 {
+		return nil, nil
+	}
+	m := &InterfaceMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Addrs:   make([]Addr, syscall.RTAX_MAX),
+		Flags:   int(nativeEndian.Uint32(b[8:12])),
+		Index:   int(nativeEndian.Uint16(b[12:14])),
+		extOff:  w.extOff,
+		raw:     b[:l],
+	}
+	a, err := parseLinkAddr(b[w.bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	m.Addrs[syscall.RTAX_IFP] = a
+	m.Name = a.(*LinkAddr).Name
+	return m, nil
+}
+
+func (w *wireFormat) parseInterfaceAddrMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < w.bodyOff {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &InterfaceAddrMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[8:12])),
+		raw:     b[:l],
+	}
+	if runtime.GOOS == "netbsd" {
+		m.Index = int(nativeEndian.Uint16(b[16:18]))
+	} else {
+		m.Index = int(nativeEndian.Uint16(b[12:14]))
+	}
+	var err error
+	m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[4:8])), parseKernelInetAddr, b[w.bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/interface_freebsd.go
+++ b/vendor/golang.org/x/net/route/interface_freebsd.go
@@ -0,0 +1,80 @@
+// 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 route
+
+import "syscall"
+
+func (w *wireFormat) parseInterfaceMessage(typ RIBType, b []byte) (Message, error) {
+	var extOff, bodyOff int
+	if typ == syscall.NET_RT_IFLISTL {
+		if len(b) < 20 {
+			return nil, errMessageTooShort
+		}
+		extOff = int(nativeEndian.Uint16(b[18:20]))
+		bodyOff = int(nativeEndian.Uint16(b[16:18]))
+	} else {
+		extOff = w.extOff
+		bodyOff = w.bodyOff
+	}
+	if len(b) < extOff || len(b) < bodyOff {
+		return nil, errInvalidMessage
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	attrs := uint(nativeEndian.Uint32(b[4:8]))
+	if attrs&syscall.RTA_IFP == 0 {
+		return nil, nil
+	}
+	m := &InterfaceMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[8:12])),
+		Index:   int(nativeEndian.Uint16(b[12:14])),
+		Addrs:   make([]Addr, syscall.RTAX_MAX),
+		extOff:  extOff,
+		raw:     b[:l],
+	}
+	a, err := parseLinkAddr(b[bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	m.Addrs[syscall.RTAX_IFP] = a
+	m.Name = a.(*LinkAddr).Name
+	return m, nil
+}
+
+func (w *wireFormat) parseInterfaceAddrMessage(typ RIBType, b []byte) (Message, error) {
+	var bodyOff int
+	if typ == syscall.NET_RT_IFLISTL {
+		if len(b) < 24 {
+			return nil, errMessageTooShort
+		}
+		bodyOff = int(nativeEndian.Uint16(b[16:18]))
+	} else {
+		bodyOff = w.bodyOff
+	}
+	if len(b) < bodyOff {
+		return nil, errInvalidMessage
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &InterfaceAddrMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[8:12])),
+		Index:   int(nativeEndian.Uint16(b[12:14])),
+		raw:     b[:l],
+	}
+	var err error
+	m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[4:8])), parseKernelInetAddr, b[bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/interface_multicast.go
+++ b/vendor/golang.org/x/net/route/interface_multicast.go
@@ -0,0 +1,30 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd
+
+package route
+
+func (w *wireFormat) parseInterfaceMulticastAddrMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < w.bodyOff {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &InterfaceMulticastAddrMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[8:12])),
+		Index:   int(nativeEndian.Uint16(b[12:14])),
+		raw:     b[:l],
+	}
+	var err error
+	m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[4:8])), parseKernelInetAddr, b[w.bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/interface_openbsd.go
+++ b/vendor/golang.org/x/net/route/interface_openbsd.go
@@ -0,0 +1,92 @@
+// 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 route
+
+import "syscall"
+
+func (*wireFormat) parseInterfaceMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < 32 {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	attrs := uint(nativeEndian.Uint32(b[12:16]))
+	if attrs&syscall.RTA_IFP == 0 {
+		return nil, nil
+	}
+	m := &InterfaceMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[16:20])),
+		Index:   int(nativeEndian.Uint16(b[6:8])),
+		Addrs:   make([]Addr, syscall.RTAX_MAX),
+		raw:     b[:l],
+	}
+	ll := int(nativeEndian.Uint16(b[4:6]))
+	if len(b) < ll {
+		return nil, errInvalidMessage
+	}
+	a, err := parseLinkAddr(b[ll:])
+	if err != nil {
+		return nil, err
+	}
+	m.Addrs[syscall.RTAX_IFP] = a
+	m.Name = a.(*LinkAddr).Name
+	return m, nil
+}
+
+func (*wireFormat) parseInterfaceAddrMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < 24 {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	bodyOff := int(nativeEndian.Uint16(b[4:6]))
+	if len(b) < bodyOff {
+		return nil, errInvalidMessage
+	}
+	m := &InterfaceAddrMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[12:16])),
+		Index:   int(nativeEndian.Uint16(b[6:8])),
+		raw:     b[:l],
+	}
+	var err error
+	m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[12:16])), parseKernelInetAddr, b[bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (*wireFormat) parseInterfaceAnnounceMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < 26 {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &InterfaceAnnounceMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Index:   int(nativeEndian.Uint16(b[6:8])),
+		What:    int(nativeEndian.Uint16(b[8:10])),
+		raw:     b[:l],
+	}
+	for i := 0; i < 16; i++ {
+		if b[10+i] != 0 {
+			continue
+		}
+		m.Name = string(b[10 : 10+i])
+		break
+	}
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/message.go
+++ b/vendor/golang.org/x/net/route/message.go
@@ -0,0 +1,72 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package route
+
+// A Message represents a routing message.
+type Message interface {
+	// Sys returns operating system-specific information.
+	Sys() []Sys
+}
+
+// A Sys reprensents operating system-specific information.
+type Sys interface {
+	// SysType returns a type of operating system-specific
+	// information.
+	SysType() SysType
+}
+
+// A SysType represents a type of operating system-specific
+// information.
+type SysType int
+
+const (
+	SysMetrics SysType = iota
+	SysStats
+)
+
+// ParseRIB parses b as a routing information base and returns a list
+// of routing messages.
+func ParseRIB(typ RIBType, b []byte) ([]Message, error) {
+	if !typ.parseable() {
+		return nil, errUnsupportedMessage
+	}
+	var msgs []Message
+	nmsgs, nskips := 0, 0
+	for len(b) > 4 {
+		nmsgs++
+		l := int(nativeEndian.Uint16(b[:2]))
+		if l == 0 {
+			return nil, errInvalidMessage
+		}
+		if len(b) < l {
+			return nil, errMessageTooShort
+		}
+		if b[2] != rtmVersion {
+			b = b[l:]
+			continue
+		}
+		if w, ok := wireFormats[int(b[3])]; !ok {
+			nskips++
+		} else {
+			m, err := w.parse(typ, b[:l])
+			if err != nil {
+				return nil, err
+			}
+			if m == nil {
+				nskips++
+			} else {
+				msgs = append(msgs, m)
+			}
+		}
+		b = b[l:]
+	}
+	// We failed to parse any of the messages - version mismatch?
+	if nmsgs != len(msgs)+nskips {
+		return nil, errMessageMismatch
+	}
+	return msgs, nil
+}
--- a/vendor/golang.org/x/net/route/route.go
+++ b/vendor/golang.org/x/net/route/route.go
@@ -0,0 +1,134 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+// Package route provides basic functions for the manipulation of
+// packet routing facilities on BSD variants.
+//
+// The package supports any version of Darwin, any version of
+// DragonFly BSD, FreeBSD 7 and above, NetBSD 6 and above, and OpenBSD
+// 5.6 and above.
+package route
+
+import (
+	"errors"
+	"os"
+	"syscall"
+)
+
+var (
+	errUnsupportedMessage = errors.New("unsupported message")
+	errMessageMismatch    = errors.New("message mismatch")
+	errMessageTooShort    = errors.New("message too short")
+	errInvalidMessage     = errors.New("invalid message")
+	errInvalidAddr        = errors.New("invalid address")
+	errShortBuffer        = errors.New("short buffer")
+)
+
+// A RouteMessage represents a message conveying an address prefix, a
+// nexthop address and an output interface.
+//
+// Unlike other messages, this message can be used to query adjacency
+// information for the given address prefix, to add a new route, and
+// to delete or modify the existing route from the routing information
+// base inside the kernel by writing and reading route messages on a
+// routing socket.
+//
+// For the manipulation of routing information, the route message must
+// contain appropriate fields that include:
+//
+//	Version       = <must be specified>
+//	Type          = <must be specified>
+//	Flags         = <must be specified>
+//	Index         = <must be specified if necessary>
+//	ID            = <must be specified>
+//	Seq           = <must be specified>
+//	Addrs         = <must be specified>
+//
+// The Type field specifies a type of manipulation, the Flags field
+// specifies a class of target information and the Addrs field
+// specifies target information like the following:
+//
+//	route.RouteMessage{
+//		Version: RTM_VERSION,
+//		Type: RTM_GET,
+//		Flags: RTF_UP | RTF_HOST,
+//		ID: uintptr(os.Getpid()),
+//		Seq: 1,
+//		Addrs: []route.Addrs{
+//			RTAX_DST: &route.Inet4Addr{ ... },
+//			RTAX_IFP: &route.LinkAddr{ ... },
+//			RTAX_BRD: &route.Inet4Addr{ ... },
+//		},
+//	}
+//
+// The values for the above fields depend on the implementation of
+// each operating system.
+//
+// The Err field on a response message contains an error value on the
+// requested operation. If non-nil, the requested operation is failed.
+type RouteMessage struct {
+	Version int     // message version
+	Type    int     // message type
+	Flags   int     // route flags
+	Index   int     // interface index when attached
+	ID      uintptr // sender's identifier; usually process ID
+	Seq     int     // sequence number
+	Err     error   // error on requested operation
+	Addrs   []Addr  // addresses
+
+	extOff int    // offset of header extension
+	raw    []byte // raw message
+}
+
+// Marshal returns the binary encoding of m.
+func (m *RouteMessage) Marshal() ([]byte, error) {
+	return m.marshal()
+}
+
+// A RIBType represents a type of routing information base.
+type RIBType int
+
+const (
+	RIBTypeRoute     RIBType = syscall.NET_RT_DUMP
+	RIBTypeInterface RIBType = syscall.NET_RT_IFLIST
+)
+
+// FetchRIB fetches a routing information base from the operating
+// system.
+//
+// The provided af must be an address family.
+//
+// The provided arg must be a RIBType-specific argument.
+// When RIBType is related to routes, arg might be a set of route
+// flags. When RIBType is related to network interfaces, arg might be
+// an interface index or a set of interface flags. In most cases, zero
+// means a wildcard.
+func FetchRIB(af int, typ RIBType, arg int) ([]byte, error) {
+	try := 0
+	for {
+		try++
+		mib := [6]int32{syscall.CTL_NET, syscall.AF_ROUTE, 0, int32(af), int32(typ), int32(arg)}
+		n := uintptr(0)
+		if err := sysctl(mib[:], nil, &n, nil, 0); err != nil {
+			return nil, os.NewSyscallError("sysctl", err)
+		}
+		if n == 0 {
+			return nil, nil
+		}
+		b := make([]byte, n)
+		if err := sysctl(mib[:], &b[0], &n, nil, 0); err != nil {
+			// If the sysctl failed because the data got larger
+			// between the two sysctl calls, try a few times
+			// before failing. (golang.org/issue/45736).
+			const maxTries = 3
+			if err == syscall.ENOMEM && try < maxTries {
+				continue
+			}
+			return nil, os.NewSyscallError("sysctl", err)
+		}
+		return b[:n], nil
+	}
+}
--- a/vendor/golang.org/x/net/route/route_classic.go
+++ b/vendor/golang.org/x/net/route/route_classic.go
@@ -0,0 +1,75 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd
+
+package route
+
+import (
+	"runtime"
+	"syscall"
+)
+
+func (m *RouteMessage) marshal() ([]byte, error) {
+	w, ok := wireFormats[m.Type]
+	if !ok {
+		return nil, errUnsupportedMessage
+	}
+	l := w.bodyOff + addrsSpace(m.Addrs)
+	if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
+		// Fix stray pointer writes on macOS.
+		// See golang.org/issue/22456.
+		l += 1024
+	}
+	b := make([]byte, l)
+	nativeEndian.PutUint16(b[:2], uint16(l))
+	if m.Version == 0 {
+		b[2] = rtmVersion
+	} else {
+		b[2] = byte(m.Version)
+	}
+	b[3] = byte(m.Type)
+	nativeEndian.PutUint32(b[8:12], uint32(m.Flags))
+	nativeEndian.PutUint16(b[4:6], uint16(m.Index))
+	nativeEndian.PutUint32(b[16:20], uint32(m.ID))
+	nativeEndian.PutUint32(b[20:24], uint32(m.Seq))
+	attrs, err := marshalAddrs(b[w.bodyOff:], m.Addrs)
+	if err != nil {
+		return nil, err
+	}
+	if attrs > 0 {
+		nativeEndian.PutUint32(b[12:16], uint32(attrs))
+	}
+	return b, nil
+}
+
+func (w *wireFormat) parseRouteMessage(typ RIBType, b []byte) (Message, error) {
+	if len(b) < w.bodyOff {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &RouteMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[8:12])),
+		Index:   int(nativeEndian.Uint16(b[4:6])),
+		ID:      uintptr(nativeEndian.Uint32(b[16:20])),
+		Seq:     int(nativeEndian.Uint32(b[20:24])),
+		extOff:  w.extOff,
+		raw:     b[:l],
+	}
+	errno := syscall.Errno(nativeEndian.Uint32(b[28:32]))
+	if errno != 0 {
+		m.Err = errno
+	}
+	var err error
+	m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[12:16])), parseKernelInetAddr, b[w.bodyOff:])
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/route_openbsd.go
+++ b/vendor/golang.org/x/net/route/route_openbsd.go
@@ -0,0 +1,67 @@
+// 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 route
+
+import (
+	"syscall"
+)
+
+func (m *RouteMessage) marshal() ([]byte, error) {
+	l := sizeofRtMsghdr + addrsSpace(m.Addrs)
+	b := make([]byte, l)
+	nativeEndian.PutUint16(b[:2], uint16(l))
+	if m.Version == 0 {
+		b[2] = syscall.RTM_VERSION
+	} else {
+		b[2] = byte(m.Version)
+	}
+	b[3] = byte(m.Type)
+	nativeEndian.PutUint16(b[4:6], uint16(sizeofRtMsghdr))
+	nativeEndian.PutUint32(b[16:20], uint32(m.Flags))
+	nativeEndian.PutUint16(b[6:8], uint16(m.Index))
+	nativeEndian.PutUint32(b[24:28], uint32(m.ID))
+	nativeEndian.PutUint32(b[28:32], uint32(m.Seq))
+	attrs, err := marshalAddrs(b[sizeofRtMsghdr:], m.Addrs)
+	if err != nil {
+		return nil, err
+	}
+	if attrs > 0 {
+		nativeEndian.PutUint32(b[12:16], uint32(attrs))
+	}
+	return b, nil
+}
+
+func (*wireFormat) parseRouteMessage(_ RIBType, b []byte) (Message, error) {
+	if len(b) < sizeofRtMsghdr {
+		return nil, errMessageTooShort
+	}
+	l := int(nativeEndian.Uint16(b[:2]))
+	if len(b) < l {
+		return nil, errInvalidMessage
+	}
+	m := &RouteMessage{
+		Version: int(b[2]),
+		Type:    int(b[3]),
+		Flags:   int(nativeEndian.Uint32(b[16:20])),
+		Index:   int(nativeEndian.Uint16(b[6:8])),
+		ID:      uintptr(nativeEndian.Uint32(b[24:28])),
+		Seq:     int(nativeEndian.Uint32(b[28:32])),
+		raw:     b[:l],
+	}
+	ll := int(nativeEndian.Uint16(b[4:6]))
+	if len(b) < ll {
+		return nil, errInvalidMessage
+	}
+	errno := syscall.Errno(nativeEndian.Uint32(b[32:36]))
+	if errno != 0 {
+		m.Err = errno
+	}
+	as, err := parseAddrs(uint(nativeEndian.Uint32(b[12:16])), parseKernelInetAddr, b[ll:])
+	if err != nil {
+		return nil, err
+	}
+	m.Addrs = as
+	return m, nil
+}
--- a/vendor/golang.org/x/net/route/sys.go
+++ b/vendor/golang.org/x/net/route/sys.go
@@ -0,0 +1,45 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package route
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+var (
+	nativeEndian binaryByteOrder
+	kernelAlign  int
+	rtmVersion   byte
+	wireFormats  map[int]*wireFormat
+)
+
+func init() {
+	i := uint32(1)
+	b := (*[4]byte)(unsafe.Pointer(&i))
+	if b[0] == 1 {
+		nativeEndian = littleEndian
+	} else {
+		nativeEndian = bigEndian
+	}
+	// might get overridden in probeRoutingStack
+	rtmVersion = syscall.RTM_VERSION
+	kernelAlign, wireFormats = probeRoutingStack()
+}
+
+func roundup(l int) int {
+	if l == 0 {
+		return kernelAlign
+	}
+	return (l + kernelAlign - 1) &^ (kernelAlign - 1)
+}
+
+type wireFormat struct {
+	extOff  int // offset of header extension
+	bodyOff int // offset of message body
+	parse   func(RIBType, []byte) (Message, error)
+}
--- a/vendor/golang.org/x/net/route/sys_darwin.go
+++ b/vendor/golang.org/x/net/route/sys_darwin.go
@@ -0,0 +1,89 @@
+// 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 route
+
+import "syscall"
+
+func (typ RIBType) parseable() bool {
+	switch typ {
+	case syscall.NET_RT_STAT, syscall.NET_RT_TRASH:
+		return false
+	default:
+		return true
+	}
+}
+
+// RouteMetrics represents route metrics.
+type RouteMetrics struct {
+	PathMTU int // path maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *RouteMessage) Sys() []Sys {
+	return []Sys{
+		&RouteMetrics{
+			PathMTU: int(nativeEndian.Uint32(m.raw[m.extOff+4 : m.extOff+8])),
+		},
+	}
+}
+
+// InterfaceMetrics represents interface metrics.
+type InterfaceMetrics struct {
+	Type int // interface type
+	MTU  int // maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (imx *InterfaceMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMessage) Sys() []Sys {
+	return []Sys{
+		&InterfaceMetrics{
+			Type: int(m.raw[m.extOff]),
+			MTU:  int(nativeEndian.Uint32(m.raw[m.extOff+8 : m.extOff+12])),
+		},
+	}
+}
+
+func probeRoutingStack() (int, map[int]*wireFormat) {
+	rtm := &wireFormat{extOff: 36, bodyOff: sizeofRtMsghdrDarwin15}
+	rtm.parse = rtm.parseRouteMessage
+	rtm2 := &wireFormat{extOff: 36, bodyOff: sizeofRtMsghdr2Darwin15}
+	rtm2.parse = rtm2.parseRouteMessage
+	ifm := &wireFormat{extOff: 16, bodyOff: sizeofIfMsghdrDarwin15}
+	ifm.parse = ifm.parseInterfaceMessage
+	ifm2 := &wireFormat{extOff: 32, bodyOff: sizeofIfMsghdr2Darwin15}
+	ifm2.parse = ifm2.parseInterfaceMessage
+	ifam := &wireFormat{extOff: sizeofIfaMsghdrDarwin15, bodyOff: sizeofIfaMsghdrDarwin15}
+	ifam.parse = ifam.parseInterfaceAddrMessage
+	ifmam := &wireFormat{extOff: sizeofIfmaMsghdrDarwin15, bodyOff: sizeofIfmaMsghdrDarwin15}
+	ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage
+	ifmam2 := &wireFormat{extOff: sizeofIfmaMsghdr2Darwin15, bodyOff: sizeofIfmaMsghdr2Darwin15}
+	ifmam2.parse = ifmam2.parseInterfaceMulticastAddrMessage
+	// Darwin kernels require 32-bit aligned access to routing facilities.
+	return 4, map[int]*wireFormat{
+		syscall.RTM_ADD:       rtm,
+		syscall.RTM_DELETE:    rtm,
+		syscall.RTM_CHANGE:    rtm,
+		syscall.RTM_GET:       rtm,
+		syscall.RTM_LOSING:    rtm,
+		syscall.RTM_REDIRECT:  rtm,
+		syscall.RTM_MISS:      rtm,
+		syscall.RTM_LOCK:      rtm,
+		syscall.RTM_RESOLVE:   rtm,
+		syscall.RTM_NEWADDR:   ifam,
+		syscall.RTM_DELADDR:   ifam,
+		syscall.RTM_IFINFO:    ifm,
+		syscall.RTM_NEWMADDR:  ifmam,
+		syscall.RTM_DELMADDR:  ifmam,
+		syscall.RTM_IFINFO2:   ifm2,
+		syscall.RTM_NEWMADDR2: ifmam2,
+		syscall.RTM_GET2:      rtm2,
+	}
+}
--- a/vendor/golang.org/x/net/route/sys_dragonfly.go
+++ b/vendor/golang.org/x/net/route/sys_dragonfly.go
@@ -0,0 +1,88 @@
+// 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 route
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func (typ RIBType) parseable() bool { return true }
+
+// RouteMetrics represents route metrics.
+type RouteMetrics struct {
+	PathMTU int // path maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *RouteMessage) Sys() []Sys {
+	return []Sys{
+		&RouteMetrics{
+			PathMTU: int(nativeEndian.Uint64(m.raw[m.extOff+8 : m.extOff+16])),
+		},
+	}
+}
+
+// InterfaceMetrics represents interface metrics.
+type InterfaceMetrics struct {
+	Type int // interface type
+	MTU  int // maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (imx *InterfaceMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMessage) Sys() []Sys {
+	return []Sys{
+		&InterfaceMetrics{
+			Type: int(m.raw[m.extOff]),
+			MTU:  int(nativeEndian.Uint32(m.raw[m.extOff+8 : m.extOff+12])),
+		},
+	}
+}
+
+func probeRoutingStack() (int, map[int]*wireFormat) {
+	var p uintptr
+	rtm := &wireFormat{extOff: 40, bodyOff: sizeofRtMsghdrDragonFlyBSD4}
+	rtm.parse = rtm.parseRouteMessage
+	ifm := &wireFormat{extOff: 16, bodyOff: sizeofIfMsghdrDragonFlyBSD4}
+	ifm.parse = ifm.parseInterfaceMessage
+	ifam := &wireFormat{extOff: sizeofIfaMsghdrDragonFlyBSD4, bodyOff: sizeofIfaMsghdrDragonFlyBSD4}
+	ifam.parse = ifam.parseInterfaceAddrMessage
+	ifmam := &wireFormat{extOff: sizeofIfmaMsghdrDragonFlyBSD4, bodyOff: sizeofIfmaMsghdrDragonFlyBSD4}
+	ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage
+	ifanm := &wireFormat{extOff: sizeofIfAnnouncemsghdrDragonFlyBSD4, bodyOff: sizeofIfAnnouncemsghdrDragonFlyBSD4}
+	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
+
+	rel, _ := syscall.SysctlUint32("kern.osreldate")
+	if rel >= 500705 {
+		// https://github.com/DragonFlyBSD/DragonFlyBSD/commit/43a373152df2d405c9940983e584e6a25e76632d
+		// but only the size of struct ifa_msghdr actually changed
+		rtmVersion = 7
+		ifam.bodyOff = sizeofIfaMsghdrDragonFlyBSD58
+	}
+
+	return int(unsafe.Sizeof(p)), map[int]*wireFormat{
+		syscall.RTM_ADD:        rtm,
+		syscall.RTM_DELETE:     rtm,
+		syscall.RTM_CHANGE:     rtm,
+		syscall.RTM_GET:        rtm,
+		syscall.RTM_LOSING:     rtm,
+		syscall.RTM_REDIRECT:   rtm,
+		syscall.RTM_MISS:       rtm,
+		syscall.RTM_LOCK:       rtm,
+		syscall.RTM_RESOLVE:    rtm,
+		syscall.RTM_NEWADDR:    ifam,
+		syscall.RTM_DELADDR:    ifam,
+		syscall.RTM_IFINFO:     ifm,
+		syscall.RTM_NEWMADDR:   ifmam,
+		syscall.RTM_DELMADDR:   ifmam,
+		syscall.RTM_IFANNOUNCE: ifanm,
+	}
+}
--- a/vendor/golang.org/x/net/route/sys_freebsd.go
+++ b/vendor/golang.org/x/net/route/sys_freebsd.go
@@ -0,0 +1,160 @@
+// 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 route
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func (typ RIBType) parseable() bool { return true }
+
+// RouteMetrics represents route metrics.
+type RouteMetrics struct {
+	PathMTU int // path maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *RouteMessage) Sys() []Sys {
+	if kernelAlign == 8 {
+		return []Sys{
+			&RouteMetrics{
+				PathMTU: int(nativeEndian.Uint64(m.raw[m.extOff+8 : m.extOff+16])),
+			},
+		}
+	}
+	return []Sys{
+		&RouteMetrics{
+			PathMTU: int(nativeEndian.Uint32(m.raw[m.extOff+4 : m.extOff+8])),
+		},
+	}
+}
+
+// InterfaceMetrics represents interface metrics.
+type InterfaceMetrics struct {
+	Type int // interface type
+	MTU  int // maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (imx *InterfaceMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMessage) Sys() []Sys {
+	return []Sys{
+		&InterfaceMetrics{
+			Type: int(m.raw[m.extOff]),
+			MTU:  int(nativeEndian.Uint32(m.raw[m.extOff+8 : m.extOff+12])),
+		},
+	}
+}
+
+var compatFreeBSD32 bool // 386 emulation on amd64
+
+func probeRoutingStack() (int, map[int]*wireFormat) {
+	var p uintptr
+	wordSize := int(unsafe.Sizeof(p))
+	align := wordSize
+	// In the case of kern.supported_archs="amd64 i386", we need
+	// to know the underlying kernel's architecture because the
+	// alignment for routing facilities are set at the build time
+	// of the kernel.
+	conf, _ := syscall.Sysctl("kern.conftxt")
+	for i, j := 0, 0; j < len(conf); j++ {
+		if conf[j] != '\n' {
+			continue
+		}
+		s := conf[i:j]
+		i = j + 1
+		if len(s) > len("machine") && s[:len("machine")] == "machine" {
+			s = s[len("machine"):]
+			for k := 0; k < len(s); k++ {
+				if s[k] == ' ' || s[k] == '\t' {
+					s = s[1:]
+				}
+				break
+			}
+			if s == "amd64" {
+				align = 8
+			}
+			break
+		}
+	}
+	if align != wordSize {
+		compatFreeBSD32 = true // 386 emulation on amd64
+	}
+	var rtm, ifm, ifam, ifmam, ifanm *wireFormat
+	if compatFreeBSD32 {
+		rtm = &wireFormat{extOff: sizeofRtMsghdrFreeBSD10Emu - sizeofRtMetricsFreeBSD10Emu, bodyOff: sizeofRtMsghdrFreeBSD10Emu}
+		ifm = &wireFormat{extOff: 16}
+		ifam = &wireFormat{extOff: sizeofIfaMsghdrFreeBSD10Emu, bodyOff: sizeofIfaMsghdrFreeBSD10Emu}
+		ifmam = &wireFormat{extOff: sizeofIfmaMsghdrFreeBSD10Emu, bodyOff: sizeofIfmaMsghdrFreeBSD10Emu}
+		ifanm = &wireFormat{extOff: sizeofIfAnnouncemsghdrFreeBSD10Emu, bodyOff: sizeofIfAnnouncemsghdrFreeBSD10Emu}
+	} else {
+		rtm = &wireFormat{extOff: sizeofRtMsghdrFreeBSD10 - sizeofRtMetricsFreeBSD10, bodyOff: sizeofRtMsghdrFreeBSD10}
+		ifm = &wireFormat{extOff: 16}
+		ifam = &wireFormat{extOff: sizeofIfaMsghdrFreeBSD10, bodyOff: sizeofIfaMsghdrFreeBSD10}
+		ifmam = &wireFormat{extOff: sizeofIfmaMsghdrFreeBSD10, bodyOff: sizeofIfmaMsghdrFreeBSD10}
+		ifanm = &wireFormat{extOff: sizeofIfAnnouncemsghdrFreeBSD10, bodyOff: sizeofIfAnnouncemsghdrFreeBSD10}
+	}
+	rel, _ := syscall.SysctlUint32("kern.osreldate")
+	switch {
+	case rel < 800000:
+		if compatFreeBSD32 {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD7Emu
+		} else {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD7
+		}
+	case 800000 <= rel && rel < 900000:
+		if compatFreeBSD32 {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD8Emu
+		} else {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD8
+		}
+	case 900000 <= rel && rel < 1000000:
+		if compatFreeBSD32 {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD9Emu
+		} else {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD9
+		}
+	case 1000000 <= rel && rel < 1100000:
+		if compatFreeBSD32 {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD10Emu
+		} else {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD10
+		}
+	default:
+		if compatFreeBSD32 {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD11Emu
+		} else {
+			ifm.bodyOff = sizeofIfMsghdrFreeBSD11
+		}
+	}
+	rtm.parse = rtm.parseRouteMessage
+	ifm.parse = ifm.parseInterfaceMessage
+	ifam.parse = ifam.parseInterfaceAddrMessage
+	ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage
+	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
+	return align, map[int]*wireFormat{
+		syscall.RTM_ADD:        rtm,
+		syscall.RTM_DELETE:     rtm,
+		syscall.RTM_CHANGE:     rtm,
+		syscall.RTM_GET:        rtm,
+		syscall.RTM_LOSING:     rtm,
+		syscall.RTM_REDIRECT:   rtm,
+		syscall.RTM_MISS:       rtm,
+		syscall.RTM_LOCK:       rtm,
+		syscall.RTM_RESOLVE:    rtm,
+		syscall.RTM_NEWADDR:    ifam,
+		syscall.RTM_DELADDR:    ifam,
+		syscall.RTM_IFINFO:     ifm,
+		syscall.RTM_NEWMADDR:   ifmam,
+		syscall.RTM_DELMADDR:   ifmam,
+		syscall.RTM_IFANNOUNCE: ifanm,
+	}
+}
--- a/vendor/golang.org/x/net/route/sys_netbsd.go
+++ b/vendor/golang.org/x/net/route/sys_netbsd.go
@@ -0,0 +1,73 @@
+// 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 route
+
+import "syscall"
+
+func (typ RIBType) parseable() bool { return true }
+
+// RouteMetrics represents route metrics.
+type RouteMetrics struct {
+	PathMTU int // path maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *RouteMessage) Sys() []Sys {
+	return []Sys{
+		&RouteMetrics{
+			PathMTU: int(nativeEndian.Uint64(m.raw[m.extOff+8 : m.extOff+16])),
+		},
+	}
+}
+
+// RouteMetrics represents route metrics.
+type InterfaceMetrics struct {
+	Type int // interface type
+	MTU  int // maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (imx *InterfaceMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMessage) Sys() []Sys {
+	return []Sys{
+		&InterfaceMetrics{
+			Type: int(m.raw[m.extOff]),
+			MTU:  int(nativeEndian.Uint32(m.raw[m.extOff+8 : m.extOff+12])),
+		},
+	}
+}
+
+func probeRoutingStack() (int, map[int]*wireFormat) {
+	rtm := &wireFormat{extOff: 40, bodyOff: sizeofRtMsghdrNetBSD7}
+	rtm.parse = rtm.parseRouteMessage
+	ifm := &wireFormat{extOff: 16, bodyOff: sizeofIfMsghdrNetBSD7}
+	ifm.parse = ifm.parseInterfaceMessage
+	ifam := &wireFormat{extOff: sizeofIfaMsghdrNetBSD7, bodyOff: sizeofIfaMsghdrNetBSD7}
+	ifam.parse = ifam.parseInterfaceAddrMessage
+	ifanm := &wireFormat{extOff: sizeofIfAnnouncemsghdrNetBSD7, bodyOff: sizeofIfAnnouncemsghdrNetBSD7}
+	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
+	// NetBSD 6 and above kernels require 64-bit aligned access to
+	// routing facilities.
+	return 8, map[int]*wireFormat{
+		syscall.RTM_ADD:        rtm,
+		syscall.RTM_DELETE:     rtm,
+		syscall.RTM_CHANGE:     rtm,
+		syscall.RTM_GET:        rtm,
+		syscall.RTM_LOSING:     rtm,
+		syscall.RTM_REDIRECT:   rtm,
+		syscall.RTM_MISS:       rtm,
+		syscall.RTM_LOCK:       rtm,
+		syscall.RTM_RESOLVE:    rtm,
+		syscall.RTM_NEWADDR:    ifam,
+		syscall.RTM_DELADDR:    ifam,
+		syscall.RTM_IFANNOUNCE: ifanm,
+		syscall.RTM_IFINFO:     ifm,
+	}
+}
--- a/vendor/golang.org/x/net/route/sys_openbsd.go
+++ b/vendor/golang.org/x/net/route/sys_openbsd.go
@@ -0,0 +1,82 @@
+// 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 route
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func (typ RIBType) parseable() bool {
+	switch typ {
+	case syscall.NET_RT_STATS, syscall.NET_RT_TABLE:
+		return false
+	default:
+		return true
+	}
+}
+
+// RouteMetrics represents route metrics.
+type RouteMetrics struct {
+	PathMTU int // path maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *RouteMessage) Sys() []Sys {
+	return []Sys{
+		&RouteMetrics{
+			PathMTU: int(nativeEndian.Uint32(m.raw[60:64])),
+		},
+	}
+}
+
+// InterfaceMetrics represents interface metrics.
+type InterfaceMetrics struct {
+	Type int // interface type
+	MTU  int // maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (imx *InterfaceMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMessage) Sys() []Sys {
+	return []Sys{
+		&InterfaceMetrics{
+			Type: int(m.raw[24]),
+			MTU:  int(nativeEndian.Uint32(m.raw[28:32])),
+		},
+	}
+}
+
+func probeRoutingStack() (int, map[int]*wireFormat) {
+	var p uintptr
+	rtm := &wireFormat{extOff: -1, bodyOff: -1}
+	rtm.parse = rtm.parseRouteMessage
+	ifm := &wireFormat{extOff: -1, bodyOff: -1}
+	ifm.parse = ifm.parseInterfaceMessage
+	ifam := &wireFormat{extOff: -1, bodyOff: -1}
+	ifam.parse = ifam.parseInterfaceAddrMessage
+	ifanm := &wireFormat{extOff: -1, bodyOff: -1}
+	ifanm.parse = ifanm.parseInterfaceAnnounceMessage
+	return int(unsafe.Sizeof(p)), map[int]*wireFormat{
+		syscall.RTM_ADD:        rtm,
+		syscall.RTM_DELETE:     rtm,
+		syscall.RTM_CHANGE:     rtm,
+		syscall.RTM_GET:        rtm,
+		syscall.RTM_LOSING:     rtm,
+		syscall.RTM_REDIRECT:   rtm,
+		syscall.RTM_MISS:       rtm,
+		syscall.RTM_RESOLVE:    rtm,
+		syscall.RTM_NEWADDR:    ifam,
+		syscall.RTM_DELADDR:    ifam,
+		syscall.RTM_IFINFO:     ifm,
+		syscall.RTM_IFANNOUNCE: ifanm,
+		syscall.RTM_DESYNC:     rtm,
+	}
+}
--- a/vendor/golang.org/x/net/route/syscall.go
+++ b/vendor/golang.org/x/net/route/syscall.go
@@ -0,0 +1,12 @@
+// 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.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package route
+
+import _ "unsafe" // for linkname
+
+//go:linkname sysctl syscall.sysctl
+func sysctl(mib []int32, old *byte, oldlen *uintptr, new *byte, newlen uintptr) error
--- a/vendor/golang.org/x/net/route/zsys_darwin.go
+++ b/vendor/golang.org/x/net/route/zsys_darwin.go
@@ -0,0 +1,22 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_darwin.go
+
+package route
+
+const (
+	sizeofIfMsghdrDarwin15    = 0x70
+	sizeofIfaMsghdrDarwin15   = 0x14
+	sizeofIfmaMsghdrDarwin15  = 0x10
+	sizeofIfMsghdr2Darwin15   = 0xa0
+	sizeofIfmaMsghdr2Darwin15 = 0x14
+	sizeofIfDataDarwin15      = 0x60
+	sizeofIfData64Darwin15    = 0x80
+
+	sizeofRtMsghdrDarwin15  = 0x5c
+	sizeofRtMsghdr2Darwin15 = 0x5c
+	sizeofRtMetricsDarwin15 = 0x38
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_dragonfly.go
+++ b/vendor/golang.org/x/net/route/zsys_dragonfly.go
@@ -0,0 +1,20 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_dragonfly.go
+
+package route
+
+const (
+	sizeofIfMsghdrDragonFlyBSD4         = 0xb0
+	sizeofIfaMsghdrDragonFlyBSD4        = 0x14
+	sizeofIfmaMsghdrDragonFlyBSD4       = 0x10
+	sizeofIfAnnouncemsghdrDragonFlyBSD4 = 0x18
+
+	sizeofIfaMsghdrDragonFlyBSD58 = 0x18
+
+	sizeofRtMsghdrDragonFlyBSD4  = 0x98
+	sizeofRtMetricsDragonFlyBSD4 = 0x70
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_freebsd_386.go
+++ b/vendor/golang.org/x/net/route/zsys_freebsd_386.go
@@ -0,0 +1,55 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package route
+
+const (
+	sizeofIfMsghdrlFreeBSD10        = 0x68
+	sizeofIfaMsghdrFreeBSD10        = 0x14
+	sizeofIfaMsghdrlFreeBSD10       = 0x6c
+	sizeofIfmaMsghdrFreeBSD10       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10 = 0x18
+
+	sizeofRtMsghdrFreeBSD10  = 0x5c
+	sizeofRtMetricsFreeBSD10 = 0x38
+
+	sizeofIfMsghdrFreeBSD7  = 0x60
+	sizeofIfMsghdrFreeBSD8  = 0x60
+	sizeofIfMsghdrFreeBSD9  = 0x60
+	sizeofIfMsghdrFreeBSD10 = 0x64
+	sizeofIfMsghdrFreeBSD11 = 0xa8
+
+	sizeofIfDataFreeBSD7  = 0x50
+	sizeofIfDataFreeBSD8  = 0x50
+	sizeofIfDataFreeBSD9  = 0x50
+	sizeofIfDataFreeBSD10 = 0x54
+	sizeofIfDataFreeBSD11 = 0x98
+
+	// MODIFIED BY HAND FOR 386 EMULATION ON AMD64
+	// 386 EMULATION USES THE UNDERLYING RAW DATA LAYOUT
+
+	sizeofIfMsghdrlFreeBSD10Emu        = 0xb0
+	sizeofIfaMsghdrFreeBSD10Emu        = 0x14
+	sizeofIfaMsghdrlFreeBSD10Emu       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10Emu       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10Emu = 0x18
+
+	sizeofRtMsghdrFreeBSD10Emu  = 0x98
+	sizeofRtMetricsFreeBSD10Emu = 0x70
+
+	sizeofIfMsghdrFreeBSD7Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD8Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD9Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD10Emu = 0xa8
+	sizeofIfMsghdrFreeBSD11Emu = 0xa8
+
+	sizeofIfDataFreeBSD7Emu  = 0x98
+	sizeofIfDataFreeBSD8Emu  = 0x98
+	sizeofIfDataFreeBSD9Emu  = 0x98
+	sizeofIfDataFreeBSD10Emu = 0x98
+	sizeofIfDataFreeBSD11Emu = 0x98
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_freebsd_amd64.go
+++ b/vendor/golang.org/x/net/route/zsys_freebsd_amd64.go
@@ -0,0 +1,52 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package route
+
+const (
+	sizeofIfMsghdrlFreeBSD10        = 0xb0
+	sizeofIfaMsghdrFreeBSD10        = 0x14
+	sizeofIfaMsghdrlFreeBSD10       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10 = 0x18
+
+	sizeofRtMsghdrFreeBSD10  = 0x98
+	sizeofRtMetricsFreeBSD10 = 0x70
+
+	sizeofIfMsghdrFreeBSD7  = 0xa8
+	sizeofIfMsghdrFreeBSD8  = 0xa8
+	sizeofIfMsghdrFreeBSD9  = 0xa8
+	sizeofIfMsghdrFreeBSD10 = 0xa8
+	sizeofIfMsghdrFreeBSD11 = 0xa8
+
+	sizeofIfDataFreeBSD7  = 0x98
+	sizeofIfDataFreeBSD8  = 0x98
+	sizeofIfDataFreeBSD9  = 0x98
+	sizeofIfDataFreeBSD10 = 0x98
+	sizeofIfDataFreeBSD11 = 0x98
+
+	sizeofIfMsghdrlFreeBSD10Emu        = 0xb0
+	sizeofIfaMsghdrFreeBSD10Emu        = 0x14
+	sizeofIfaMsghdrlFreeBSD10Emu       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10Emu       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10Emu = 0x18
+
+	sizeofRtMsghdrFreeBSD10Emu  = 0x98
+	sizeofRtMetricsFreeBSD10Emu = 0x70
+
+	sizeofIfMsghdrFreeBSD7Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD8Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD9Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD10Emu = 0xa8
+	sizeofIfMsghdrFreeBSD11Emu = 0xa8
+
+	sizeofIfDataFreeBSD7Emu  = 0x98
+	sizeofIfDataFreeBSD8Emu  = 0x98
+	sizeofIfDataFreeBSD9Emu  = 0x98
+	sizeofIfDataFreeBSD10Emu = 0x98
+	sizeofIfDataFreeBSD11Emu = 0x98
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_freebsd_arm.go
+++ b/vendor/golang.org/x/net/route/zsys_freebsd_arm.go
@@ -0,0 +1,52 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package route
+
+const (
+	sizeofIfMsghdrlFreeBSD10        = 0x68
+	sizeofIfaMsghdrFreeBSD10        = 0x14
+	sizeofIfaMsghdrlFreeBSD10       = 0x6c
+	sizeofIfmaMsghdrFreeBSD10       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10 = 0x18
+
+	sizeofRtMsghdrFreeBSD10  = 0x5c
+	sizeofRtMetricsFreeBSD10 = 0x38
+
+	sizeofIfMsghdrFreeBSD7  = 0x70
+	sizeofIfMsghdrFreeBSD8  = 0x70
+	sizeofIfMsghdrFreeBSD9  = 0x70
+	sizeofIfMsghdrFreeBSD10 = 0x70
+	sizeofIfMsghdrFreeBSD11 = 0xa8
+
+	sizeofIfDataFreeBSD7  = 0x60
+	sizeofIfDataFreeBSD8  = 0x60
+	sizeofIfDataFreeBSD9  = 0x60
+	sizeofIfDataFreeBSD10 = 0x60
+	sizeofIfDataFreeBSD11 = 0x98
+
+	sizeofIfMsghdrlFreeBSD10Emu        = 0x68
+	sizeofIfaMsghdrFreeBSD10Emu        = 0x14
+	sizeofIfaMsghdrlFreeBSD10Emu       = 0x6c
+	sizeofIfmaMsghdrFreeBSD10Emu       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10Emu = 0x18
+
+	sizeofRtMsghdrFreeBSD10Emu  = 0x5c
+	sizeofRtMetricsFreeBSD10Emu = 0x38
+
+	sizeofIfMsghdrFreeBSD7Emu  = 0x70
+	sizeofIfMsghdrFreeBSD8Emu  = 0x70
+	sizeofIfMsghdrFreeBSD9Emu  = 0x70
+	sizeofIfMsghdrFreeBSD10Emu = 0x70
+	sizeofIfMsghdrFreeBSD11Emu = 0xa8
+
+	sizeofIfDataFreeBSD7Emu  = 0x60
+	sizeofIfDataFreeBSD8Emu  = 0x60
+	sizeofIfDataFreeBSD9Emu  = 0x60
+	sizeofIfDataFreeBSD10Emu = 0x60
+	sizeofIfDataFreeBSD11Emu = 0x98
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_freebsd_arm64.go
+++ b/vendor/golang.org/x/net/route/zsys_freebsd_arm64.go
@@ -0,0 +1,52 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package route
+
+const (
+	sizeofIfMsghdrlFreeBSD10        = 0xb0
+	sizeofIfaMsghdrFreeBSD10        = 0x14
+	sizeofIfaMsghdrlFreeBSD10       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10 = 0x18
+
+	sizeofRtMsghdrFreeBSD10  = 0x98
+	sizeofRtMetricsFreeBSD10 = 0x70
+
+	sizeofIfMsghdrFreeBSD7  = 0xa8
+	sizeofIfMsghdrFreeBSD8  = 0xa8
+	sizeofIfMsghdrFreeBSD9  = 0xa8
+	sizeofIfMsghdrFreeBSD10 = 0xa8
+	sizeofIfMsghdrFreeBSD11 = 0xa8
+
+	sizeofIfDataFreeBSD7  = 0x98
+	sizeofIfDataFreeBSD8  = 0x98
+	sizeofIfDataFreeBSD9  = 0x98
+	sizeofIfDataFreeBSD10 = 0x98
+	sizeofIfDataFreeBSD11 = 0x98
+
+	sizeofIfMsghdrlFreeBSD10Emu        = 0xb0
+	sizeofIfaMsghdrFreeBSD10Emu        = 0x14
+	sizeofIfaMsghdrlFreeBSD10Emu       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10Emu       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10Emu = 0x18
+
+	sizeofRtMsghdrFreeBSD10Emu  = 0x98
+	sizeofRtMetricsFreeBSD10Emu = 0x70
+
+	sizeofIfMsghdrFreeBSD7Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD8Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD9Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD10Emu = 0xa8
+	sizeofIfMsghdrFreeBSD11Emu = 0xa8
+
+	sizeofIfDataFreeBSD7Emu  = 0x98
+	sizeofIfDataFreeBSD8Emu  = 0x98
+	sizeofIfDataFreeBSD9Emu  = 0x98
+	sizeofIfDataFreeBSD10Emu = 0x98
+	sizeofIfDataFreeBSD11Emu = 0x98
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_freebsd_riscv64.go
+++ b/vendor/golang.org/x/net/route/zsys_freebsd_riscv64.go
@@ -0,0 +1,52 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package route
+
+const (
+	sizeofIfMsghdrlFreeBSD10        = 0xb0
+	sizeofIfaMsghdrFreeBSD10        = 0x14
+	sizeofIfaMsghdrlFreeBSD10       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10 = 0x18
+
+	sizeofRtMsghdrFreeBSD10  = 0x98
+	sizeofRtMetricsFreeBSD10 = 0x70
+
+	sizeofIfMsghdrFreeBSD7  = 0xa8
+	sizeofIfMsghdrFreeBSD8  = 0xa8
+	sizeofIfMsghdrFreeBSD9  = 0xa8
+	sizeofIfMsghdrFreeBSD10 = 0xa8
+	sizeofIfMsghdrFreeBSD11 = 0xa8
+
+	sizeofIfDataFreeBSD7  = 0x98
+	sizeofIfDataFreeBSD8  = 0x98
+	sizeofIfDataFreeBSD9  = 0x98
+	sizeofIfDataFreeBSD10 = 0x98
+	sizeofIfDataFreeBSD11 = 0x98
+
+	sizeofIfMsghdrlFreeBSD10Emu        = 0xb0
+	sizeofIfaMsghdrFreeBSD10Emu        = 0x14
+	sizeofIfaMsghdrlFreeBSD10Emu       = 0xb0
+	sizeofIfmaMsghdrFreeBSD10Emu       = 0x10
+	sizeofIfAnnouncemsghdrFreeBSD10Emu = 0x18
+
+	sizeofRtMsghdrFreeBSD10Emu  = 0x98
+	sizeofRtMetricsFreeBSD10Emu = 0x70
+
+	sizeofIfMsghdrFreeBSD7Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD8Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD9Emu  = 0xa8
+	sizeofIfMsghdrFreeBSD10Emu = 0xa8
+	sizeofIfMsghdrFreeBSD11Emu = 0xa8
+
+	sizeofIfDataFreeBSD7Emu  = 0x98
+	sizeofIfDataFreeBSD8Emu  = 0x98
+	sizeofIfDataFreeBSD9Emu  = 0x98
+	sizeofIfDataFreeBSD10Emu = 0x98
+	sizeofIfDataFreeBSD11Emu = 0x98
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_netbsd.go
+++ b/vendor/golang.org/x/net/route/zsys_netbsd.go
@@ -0,0 +1,17 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_netbsd.go
+
+package route
+
+const (
+	sizeofIfMsghdrNetBSD7         = 0x98
+	sizeofIfaMsghdrNetBSD7        = 0x18
+	sizeofIfAnnouncemsghdrNetBSD7 = 0x18
+
+	sizeofRtMsghdrNetBSD7  = 0x78
+	sizeofRtMetricsNetBSD7 = 0x50
+
+	sizeofSockaddrStorage = 0x80
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)
--- a/vendor/golang.org/x/net/route/zsys_openbsd.go
+++ b/vendor/golang.org/x/net/route/zsys_openbsd.go
@@ -0,0 +1,12 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_openbsd.go
+
+package route
+
+const (
+	sizeofRtMsghdr = 0x60
+
+	sizeofSockaddrStorage = 0x100
+	sizeofSockaddrInet    = 0x10
+	sizeofSockaddrInet6   = 0x1c
+)