nf_conncount_add_skb
int nf_conncount_add_skb(struct net *net, const struct sk_buff *skb,
EXPORT_SYMBOL_GPL(nf_conncount_add_skb);
ret = nf_conncount_add_skb(net, skb, l3num, &rbconn->list);
err = nf_conncount_add_skb(nft_net(pkt), pkt->skb, nft_pf(pkt), priv->list);