NF_DN_ROUTE       657 net/decnet/dn_route.c 				return NF_HOOK(PF_DECnet, NF_DN_ROUTE, skb, skb->dev, NULL, dn_route_discard);
NF_DN_ROUTE       121 net/decnet/netfilter/dn_rtmsg.c 	.hooknum	= NF_DN_ROUTE,