selinux_netlbl_skbuff_setsid
if (selinux_netlbl_skbuff_setsid(skb, family, peer_sid) != 0)
if (selinux_netlbl_skbuff_setsid(skb, state->pf, sid) != 0)
int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, u16 family, u32 sid);