[    1.818170] ip (246) used greatest stack depth: 12832 bytes left
[    1.853399] ip (249) used greatest stack depth: 12376 bytes left
[    2.426111] ip (280) used greatest stack depth: 12344 bytes left
[   10.328193] ip (800) used greatest stack depth: 12192 bytes left
[   16.256169] mpls_gso: MPLS GSO support
[ 1236.282969] blackhole_netdev_xmit(): Dropping skb.
[ 1236.283043] blackhole_netdev_xmit(): Dropping skb.
[ 1236.283079] blackhole_netdev_xmit(): Dropping skb.
[ 1236.283117] blackhole_netdev_xmit(): Dropping skb.