*/
private void deliver(IPv4Header hdr, SocketBuffer skbuf) throws SocketException {
final IPv4Protocol protocol;
try {
protocol = getProtocol(hdr.getProtocol());
protocol.receive(skbuf);
} catch (NoSuchProtocolException ex) {
log.debug("Found unknown IP src=" + hdr.getSource() + ", dst=" + hdr.getDestination() +
", prot=0x" + NumberUtils.hex(hdr.getProtocol(), 2));
}
}