--- zzzz-none-000/linux-4.9.231/net/ipv6/datagram.c	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/net/ipv6/datagram.c	2022-03-30 12:03:35.000000000 +0000
@@ -54,6 +54,7 @@
 	fl6->fl6_dport = inet->inet_dport;
 	fl6->fl6_sport = inet->inet_sport;
 	fl6->flowlabel = np->flow_label;
+	fl6->flowi6_uid = sk->sk_uid;
 
 	if (!fl6->flowi6_oif)
 		fl6->flowi6_oif = np->sticky_pktinfo.ipi6_ifindex;