[    1.876206] ip (266) used greatest stack depth: 12264 bytes left
[    2.276751] ip (294) used greatest stack depth: 12232 bytes left
[   12.379158] mpls_gso: MPLS GSO support
[   17.233366] ip (2261) used greatest stack depth: 12216 bytes left
[ 1208.151813] blackhole_netdev_xmit(): Dropping skb.
[ 1208.152040] blackhole_netdev_xmit(): Dropping skb.
[ 1208.152115] blackhole_netdev_xmit(): Dropping skb.
[ 1208.152184] blackhole_netdev_xmit(): Dropping skb.