[    1.674885] ip (260) used greatest stack depth: 12288 bytes left
[    1.729735] ip (266) used greatest stack depth: 12240 bytes left
[   11.891184] mpls_gso: MPLS GSO support
[  895.194668] blackhole_netdev_xmit(): Dropping skb.
[  895.194726] blackhole_netdev_xmit(): Dropping skb.
[  895.194759] blackhole_netdev_xmit(): Dropping skb.
[  895.194792] blackhole_netdev_xmit(): Dropping skb.