// SOL_MPTCP only supported from kernel 5.16
	hasSOLMPTCP = major > 5 || (major == 5 && minor >= 16)
}

func (sd *sysDialer) dialMPTCP(ctx context.Context, laddr, raddr *TCPAddr) (*TCPConn, error) {
	if supportsMultipathTCP() {
		if conn, err := sd.doDialTCPProto(ctx, laddr, raddr, _IPPROTO_MPTCP); err == nil {
			return conn, nil
		}
	}

	// Fallback to dialTCP if Multipath TCP isn't supported on this operating

	return 0, 0, 0, nil, syscall.EPLAN9
}

func (c *UnixConn) writeTo(b []byte, addr *UnixAddr) (int, error) {
	return 0, syscall.EPLAN9
}

func (c *UnixConn) writeMsg(b, oob []byte, addr *UnixAddr) (n, oobn int, err error) {
	return 0, 0, syscall.EPLAN9
}

func (sd *sysDialer) dialUnix(ctx context.Context, laddr, raddr *UnixAddr) (*UnixConn, error) {

		err = &OpError{Op: "raw-control", Net: c.fd.net, Source: nil, Addr: c.fd.laddr, Err: err}
	}
	return err
}

func (c *rawConn) Read(f func(uintptr) bool) error {
	if !c.ok() {
		return syscall.EINVAL
	}
	err := c.fd.pfd.RawRead(f)
	runtime.KeepAlive(c.fd)
	if err != nil {
		err = &OpError{Op: "raw-read", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	return err
}

	// type to avoid the header trim/copy
	var addr *IPAddr
	n, sa, err := c.fd.readFrom(b)
	switch sa := sa.(type) {
	case *syscall.SockaddrInet4:
		addr = &IPAddr{IP: sa.Addr[0:]}
		n = stripIPv4Header(n, b)
	case *syscall.SockaddrInet6:
		addr = &IPAddr{IP: sa.Addr[0:], Zone: zoneCache.name(int(sa.ZoneId))}
	}
	return n, addr, err
}

func stripIPv4Header(n int, b []byte) int {
	if len(b) < 20 {

    private int[] resolveOrder;

    InetAddress laddr, baddr;

    NameServiceClient() {
        this( LPORT, LADDR );
    }
    NameServiceClient( int lport, InetAddress laddr ) {
        this.lport = lport;
        this.laddr = laddr;

        try {
            baddr = Config.getInetAddress( "jcifs.smb1.netbios.baddr",
                        InetAddress.getByName( "255.255.255.255" ));

				}
			}
		}
	} else if m, err2 := macho.Open(src); err2 == nil {
		for _, sec := range m.Sections {
			vaddr := sec.Addr
			paddr := uint64(sec.Offset)
			size := sec.Size
			for a := range virtualEdits {
				if a >= vaddr && a < vaddr+size {
					physicalEdits[paddr+(a-vaddr)] = true
				}
			}
		}
	} else {
		t.Log(err)
		t.Log(err2)
		t.Fatal("executable format not elf or macho")
	}

func (c *conn) writeBuffers(v *Buffers) (int64, error) {
	if !c.ok() {
		return 0, syscall.EINVAL
	}
	n, err := c.fd.writeBuffers(v)
	if err != nil {
		return n, &OpError{Op: "writev", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
	}
	return n, nil
}

func (fd *netFD) writeBuffers(v *Buffers) (n int64, err error) {
	n, err = fd.pfd.Writev((*[][]byte)(v))
	runtime.KeepAlive(fd)
	return n, wrapSyscallError("writev", err)

		add rule ip kube-proxy services ip daddr . meta l4proto . th dport vmap @service-ips
		add rule ip kube-proxy services ip daddr @nodeport-ips meta l4proto . th dport vmap @service-nodeports
		add element ip kube-proxy nodeport-ips { 192.168.0.2 }

		# svc1
		add chain ip kube-proxy service-ULMVA6XW-ns1/svc1/tcp/p80

	addr := (*int64)(unsafe.Pointer(uaddr))
	for i := 0; i < count; i++ {
		for {
			v := LoadInt64(addr)
			if CompareAndSwapInt64(addr, v, v+1) {
				break
			}
		}
	}
}

func hammerCompareAndSwapInt64Method(uaddr *uint64, count int) {
	addr := (*Int64)(unsafe.Pointer(uaddr))
	for i := 0; i < count; i++ {
		for {
			v := addr.Load()

		if iPort != jPort {
			return iPort < jPort
		}
		iAddr := retrieveListenerAddress(listeners[i])
		jAddr := retrieveListenerAddress(listeners[j])
		if iAddr != jAddr {
			return iAddr < jAddr
		}
		iType := retrieveListenerType(listeners[i])
		jType := retrieveListenerType(listeners[j])
		return iType < jType
	})

	fmt.Fprintln(w, "LISTENER\tCHAIN\tMATCH\tDESTINATION")
	for _, l := range listeners {