--- linux-3.0.59-vs2.3.2.5/net/core/rtnetlink.c 2013-01-18 00:40:32.000000000 -0600
+++ linux-3.0.59-vs2.3.2.5-fix/net/core/rtnetlink.c 2013-01-18 00:59:32.000000000 -0600
@@ -1927,6 +1929,9 @@ void rtmsg_ifinfo(int type, struct net_d
        int err = -ENOBUFS;
        size_t if_info_size;
 
+       if (!nx_dev_visible(current_nx_info(), dev))
+               return;
+
        skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
        if (skb == NULL)
                goto errout;