[    2.325567] ip (258) used greatest stack depth: 12288 bytes left
[    3.090343] ip (292) used greatest stack depth: 12272 bytes left
[   18.751728] mpls_gso: MPLS GSO support
[   25.438624] ip (2201) used greatest stack depth: 12128 bytes left
[  894.715439] blackhole_netdev_xmit(): Dropping skb.
[  894.715504] blackhole_netdev_xmit(): Dropping skb.
[  894.715536] blackhole_netdev_xmit(): Dropping skb.
[  894.715570] blackhole_netdev_xmit(): Dropping skb.
[ 1006.509830] blackhole_netdev_xmit(): Dropping skb.
[ 1006.509904] blackhole_netdev_xmit(): Dropping skb.
[ 1006.509939] blackhole_netdev_xmit(): Dropping skb.
[ 1006.509971] blackhole_netdev_xmit(): Dropping skb.
[ 1107.207942] blackhole_netdev_xmit(): Dropping skb.
[ 1107.208007] blackhole_netdev_xmit(): Dropping skb.
[ 1107.208045] blackhole_netdev_xmit(): Dropping skb.
[ 1107.208078] blackhole_netdev_xmit(): Dropping skb.