nfnetlink_send 77 include/linux/netfilter/nfnetlink.h extern int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, nfnetlink_send 522 net/netfilter/nf_conntrack_netlink.c nfnetlink_send(skb, 0, group, 0); nfnetlink_send 1442 net/netfilter/nf_conntrack_netlink.c nfnetlink_send(skb, 0, NFNLGRP_CONNTRACK_EXP_NEW, 0);