return send(nfd.getNativeFD(), src, addr.getAddress(), dst.getPort());
return VmChannel.send(nfd.getNativeFD(), src, addr.getAddress(), dst.getPort());
  public int send(ByteBuffer src, InetSocketAddress dst)    throws IOException  {    InetAddress addr = dst.getAddress();    if (addr == null)      throw new NullPointerException();    if (addr instanceof Inet4Address)      return send(nfd.getNativeFD(), src, addr.getAddress(), dst.getPort());    else if (addr instanceof Inet6Address)      return send6(nfd.getNativeFD(), src, addr.getAddress(), dst.getPort());    else      throw new SocketException("unrecognized inet address type");  }