--- ./arp.c     2004-06-16 07:19:52.000000000 +0200
+++ ./arp.c.new 2004-07-12 23:50:12.000000000 +0200
@@ -832,7 +832,8 @@
        }

        if (arp->ar_op == htons(ARPOP_REQUEST) &&
-           ip_route_input(skb, tip, sip, 0, dev) == 0) {
+           ip_route_input(skb, tip, sip, 0, dev) == 0 &&
+           dev == ip_dev_find(tip)) {

                rt = (struct rtable*)skb->dst;
                addr_type = rt->rt_type;