[    2.649983] ip (280) used greatest stack depth: 12272 bytes left
[   15.429340] mpls_gso: MPLS GSO support
[   27.815347] ip (2686) used greatest stack depth: 12248 bytes left
[  959.257283] blackhole_netdev_xmit(): Dropping skb.
[  959.257348] blackhole_netdev_xmit(): Dropping skb.
[  959.257380] blackhole_netdev_xmit(): Dropping skb.
[  959.257414] blackhole_netdev_xmit(): Dropping skb.
[ 1107.808483] blackhole_netdev_xmit(): Dropping skb.
[ 1107.808568] blackhole_netdev_xmit(): Dropping skb.
[ 1107.808612] blackhole_netdev_xmit(): Dropping skb.
[ 1107.808651] blackhole_netdev_xmit(): Dropping skb.