skb_reset_network_header(skb2);
 
        /* Try to guess incoming interface */
-       rt6i = rt6_lookup(&init_net, &iph6->saddr, NULL, NULL, 0);
+       rt6i = rt6_lookup(dev_net(skb->dev), &iph6->saddr, NULL, NULL, 0);
        if (rt6i && rt6i->rt6i_dev) {
                skb2->dev = rt6i->rt6i_dev;
 
-               rt6i = rt6_lookup(&init_net, &iph6->daddr, &iph6->saddr, NULL, 0);
+               rt6i = rt6_lookup(dev_net(skb->dev),
+                               &iph6->daddr, &iph6->saddr, NULL, 0);
 
                if (rt6i && rt6i->rt6i_dev && rt6i->rt6i_dev->type == ARPHRD_SIT) {
                        struct ip_tunnel *t = netdev_priv(rt6i->rt6i_dev);
                                                .tos = RT_TOS(tos) } },
                                    .oif = tunnel->parms.link,
                                    .proto = IPPROTO_IPV6 };
-               if (ip_route_output_key(&init_net, &rt, &fl)) {
+               if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
                        tunnel->stat.tx_carrier_errors++;
                        goto tx_error_icmp;
                }
                                    .oif = tunnel->parms.link,
                                    .proto = IPPROTO_IPV6 };
                struct rtable *rt;
-               if (!ip_route_output_key(&init_net, &rt, &fl)) {
+               if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
                        tdev = rt->u.dst.dev;
                        ip_rt_put(rt);
                }
        }
 
        if (!tdev && tunnel->parms.link)
-               tdev = __dev_get_by_index(&init_net, tunnel->parms.link);
+               tdev = __dev_get_by_index(dev_net(dev), tunnel->parms.link);
 
        if (tdev) {
                dev->hard_header_len = tdev->hard_header_len + sizeof(struct iphdr);