[    2.087089] ip (248) used greatest stack depth: 12376 bytes left
[    2.783818] ip (282) used greatest stack depth: 12360 bytes left
[    2.837220] ip (286) used greatest stack depth: 12344 bytes left
[   17.148123] mpls_gso: MPLS GSO support
[  774.649325] blackhole_netdev_xmit(): Dropping skb.
[  774.649411] blackhole_netdev_xmit(): Dropping skb.
[  774.649459] blackhole_netdev_xmit(): Dropping skb.
[  774.649492] blackhole_netdev_xmit(): Dropping skb.
[ 1127.053533] blackhole_netdev_xmit(): Dropping skb.
[ 1127.053602] blackhole_netdev_xmit(): Dropping skb.
[ 1127.053632] blackhole_netdev_xmit(): Dropping skb.
[ 1127.053663] blackhole_netdev_xmit(): Dropping skb.