netlink/netlink_linux.go
func NetworkLinkDel(name string) error {
	if name == "" {
		return fmt.Errorf("Network link name can not be empty!")
	}

	s, err := getNetlinkSocket()
	if err != nil {
		return err
	}
	defer s.Close()

	iface, err := net.InterfaceByName(name)
	if err != nil {
		return err
	}

	wb := newNetlinkRequest(syscall.RTM_DELLINK, syscall.NLM_F_ACK)

	msg := newIfInfomsg(syscall.AF_UNSPEC)
	msg.Index = int32(iface.Index)
	wb.AddData(msg)

	if err := s.Send(wb); err != nil {
		return err
	}

	return s.HandleAck(wb.Seq)
}
func NetworkLinkDel(name string) error {
	if name == "" {
		return fmt.Errorf("Network link name can not be empty!")
	}

	s, err := getNetlinkSocket()
	if err != nil {
		return err
	}
	defer s.Close()

	iface, err := net.InterfaceByName(name)
	if err != nil {
		return err
	}

	wb := newNetlinkRequest(syscall.RTM_DELLINK, syscall.NLM_F_ACK)

	msg := newIfInfomsg(syscall.AF_UNSPEC)
	msg.Index = int32(iface.Index)
	wb.AddData(msg)

	if err := s.Send(wb); err != nil {
		return err
	}

	return s.HandleAck(wb.Seq)
}
// Delete a network link.
// This is identical to running: ip link del $name