--- zzzz-none-000/linux-4.4.60/net/ipv6/netfilter.c	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/net/ipv6/netfilter.c	2022-03-30 14:21:53.000000000 +0000
@@ -26,6 +26,7 @@
 	struct flowi6 fl6 = {
 		.flowi6_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0,
 		.flowi6_mark = skb->mark,
+		.flowi6_uid = sock_net_uid(net, skb->sk),
 		.daddr = iph->daddr,
 		.saddr = iph->saddr,
 	};