fl6->flowi6_iif = LOOPBACK_IFINDEX;
- if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
+ if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr) ||
+ fl6->flowi6_oif)
flags |= RT6_LOOKUP_F_IFACE;
if (!ipv6_addr_any(&fl6->saddr))