[    1.758544] ip (260) used greatest stack depth: 12232 bytes left
[    2.227678] ip (294) used greatest stack depth: 12200 bytes left
[   13.815350] mpls_gso: MPLS GSO support
[  890.886740] blackhole_netdev_xmit(): Dropping skb.
[  890.886844] blackhole_netdev_xmit(): Dropping skb.
[  890.886889] blackhole_netdev_xmit(): Dropping skb.
[  890.886933] blackhole_netdev_xmit(): Dropping skb.