UDP_UNNAT_FAIL
UDP_UNNAT_FAIL(pi, ui, ext, dport, masq, aport);
UDP_UNNAT_FAIL(p, u, ext, 0xdead, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, pub, 0x5678, pub, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0x5679, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, pub, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0xdead, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, pub, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0x5678, masq, 0xabcd);