diff -NurpP linux-2.6.31.5-vs2.3.0.36.21.5/net/core/dev.c linux-2.6.31.5-vs2.3.0.36.22/net/core/dev.c
--- linux-2.6.31.5-vs2.3.0.36.21.5/net/core/dev.c	2009-11-05 03:49:56.000000000 +0100
+++ linux-2.6.31.5-vs2.3.0.36.22/net/core/dev.c	2009-11-05 05:30:29.000000000 +0100
@@ -687,10 +687,13 @@ struct net_device *dev_getbyhwaddr(struc
 
 	ASSERT_RTNL();
 
-	for_each_netdev(net, dev)
+	for_each_netdev(net, dev) {
+		if (!nx_dev_visible(current_nx_info(), dev))
+			continue;
 		if (dev->type == type &&
 		    !memcmp(dev->dev_addr, ha, dev->addr_len))
 			return dev;
+	}
 
 	return NULL;
 }
@@ -702,9 +705,12 @@ struct net_device *__dev_getfirstbyhwtyp
 	struct net_device *dev;
 
 	ASSERT_RTNL();
-	for_each_netdev(net, dev)
+	for_each_netdev(net, dev) {
+		if (!nx_dev_visible(current_nx_info(), dev))
+			continue;
 		if (dev->type == type)
 			return dev;
+	}
 
 	return NULL;
 }
@@ -818,6 +824,8 @@ static int __dev_alloc_name(struct net *
 			return -ENOMEM;
 
 		for_each_netdev(net, d) {
+			if (!nx_dev_visible(current_nx_info(), d))
+				continue;
 			if (!sscanf(d->name, name, &i))
 				continue;
 			if (i < 0 || i >= max_netdevices)