PNPIPE_ENCAP_IP   756 net/phonet/pep.c 		if (val && val != PNPIPE_ENCAP_IP) {
PNPIPE_ENCAP_IP   802 net/phonet/pep.c 		val = pn->ifindex ? PNPIPE_ENCAP_IP : PNPIPE_ENCAP_NONE;