rtnetlink: using dev_base_seq from target net

Signed-off-by: zhang kai <zhangkaiheb@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/rtnetlink.c

@@ -2147,7 +2147,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 out_err:
 	cb->args[1] = idx;
 	cb->args[0] = h;
-	cb->seq = net->dev_base_seq;
+	cb->seq = tgt_net->dev_base_seq;
 	nl_dump_check_consistent(cb, nlmsg_hdr(skb));
 	if (netnsid >= 0)
 		put_net(tgt_net);