[    2.808940] ip (286) used greatest stack depth: 12272 bytes left
[   15.758299] mpls_gso: MPLS GSO support
[  637.407526] ip (20607) used greatest stack depth: 12128 bytes left
[  986.027445] blackhole_netdev_xmit(): Dropping skb.
[  986.027535] blackhole_netdev_xmit(): Dropping skb.
[  986.027576] blackhole_netdev_xmit(): Dropping skb.
[  986.027616] blackhole_netdev_xmit(): Dropping skb.
[  988.057482] blackhole_netdev_xmit(): Dropping skb.
[  988.057545] blackhole_netdev_xmit(): Dropping skb.
[  988.057578] blackhole_netdev_xmit(): Dropping skb.
[  988.057609] blackhole_netdev_xmit(): Dropping skb.
[ 1192.629204] blackhole_netdev_xmit(): Dropping skb.
[ 1192.629279] blackhole_netdev_xmit(): Dropping skb.
[ 1192.629312] blackhole_netdev_xmit(): Dropping skb.
[ 1192.629351] blackhole_netdev_xmit(): Dropping skb.
[ 1194.211811] blackhole_netdev_xmit(): Dropping skb.
[ 1194.211870] blackhole_netdev_xmit(): Dropping skb.
[ 1194.211903] blackhole_netdev_xmit(): Dropping skb.
[ 1194.211935] blackhole_netdev_xmit(): Dropping skb.