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]),

	Len   uint32
	Level int32
	Type  int32
}

type Inet6Pktinfo struct {
	Addr    [16]byte /* in6_addr */
	Ifindex uint32
}

type IPv6MTUInfo struct {
	Addr RawSockaddrInet6
	Mtu  uint32
}

type ICMPv6Filter struct {
	Filt [8]uint32
}

const (
	SizeofSockaddrInet4    = 0x10
	SizeofSockaddrInet6    = 0x1c
	SizeofSockaddrAny      = 0x6c
	SizeofSockaddrUnix     = 0x6a

	Len   uint32
	Level int32
	Type  int32
}

type Inet6Pktinfo struct {
	Addr    [16]byte /* in6_addr */
	Ifindex uint32
}

type IPv6MTUInfo struct {
	Addr RawSockaddrInet6
	Mtu  uint32
}

type ICMPv6Filter struct {
	Filt [8]uint32
}

const (
	SizeofSockaddrInet4    = 0x10
	SizeofSockaddrInet6    = 0x1c
	SizeofSockaddrAny      = 0x6c
	SizeofSockaddrUnix     = 0x6a

	if len(fields) < 4 {
		return nil, errors.New("invalid interface status file: " + ifcstat)
	}

	device := fields[1]
	mtustr := fields[3]

	mtu, _, ok := dtoi(mtustr)
	if !ok {
		return nil, errors.New("invalid status file of interface: " + ifcstat)
	}
	ifc.MTU = mtu

	// Not a loopback device ("/dev/null") or packet interface (e.g. "pkt2")
	if stringslite.HasPrefix(device, netdir+"/") {

	Len   uint32
	Level int32
	Type  int32
}

type Inet6Pktinfo struct {
	Addr    [16]byte /* in6_addr */
	Ifindex uint32
}

type IPv6MTUInfo struct {
	Addr RawSockaddrInet6
	Mtu  uint32
}

type ICMPv6Filter struct {
	Filt [8]uint32
}

const (
	SizeofSockaddrInet4    = 0x10
	SizeofSockaddrInet6    = 0x1c
	SizeofSockaddrAny      = 0x6c
	SizeofSockaddrUnix     = 0x6a

	Len   uint32
	Level int32
	Type  int32
}

type Inet6Pktinfo struct {
	Addr    [16]byte /* in6_addr */
	Ifindex uint32
}

type IPv6MTUInfo struct {
	Addr RawSockaddrInet6
	Mtu  uint32
}

type ICMPv6Filter struct {
	Filt [8]uint32
}

const (
	SizeofSockaddrInet4    = 0x10
	SizeofSockaddrInet6    = 0x1c
	SizeofSockaddrAny      = 0x6c
	SizeofSockaddrUnix     = 0x6a

	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]),

	if err != nil {
		return nil, err
	}
	var ift []Interface
	for _, ll := range lls {
		if ifindex != 0 && ifindex != ll.Index {
			continue
		}
		ifi := Interface{Index: ll.Index, MTU: ll.MTU, Name: ll.Name, Flags: linkFlags(ll.Flags)}
		if len(ll.Addr) > 0 {
			ifi.HardwareAddr = HardwareAddr(ll.Addr)
		}
		ift = append(ift, ifi)
	}
	return ift, nil
}

func linkFlags(rawFlags int) Flags {

		"iface.transport_name = tcp\n" +
		"iface.initiatorname = <empty>\n" +
		"iface.mtu = 0\n" +
		"# END RECORD"

	fakeIscsiadmOutput2 := "# BEGIN RECORD 2.0-873\n" +
		"iface.iscsi_ifacename = default\n" +
		"iface.transport_name = cxgb4i\n" +
		"iface.initiatorname = <empty>\n" +
		"iface.mtu = 0\n" +
		"# END RECORD"

	fakeIscsiadmOutput3 := "# BEGIN RECORD 2.0-873\n" +

{
  "name": "rkt.kubernetes.io",
  "bridge": "mybridge",
  "mtu": 1460,
  "addIf": "true",
  "isGateway": true,
  "ipMasq": true,
  "ipam": {
    "type": "host-local",
    "subnet": "10.1.0.0/16",
    "gateway": "10.1.0.1",
    "routes": [
      {
        "dst": "0.0.0.0/0"
      }
    ]
  }