[    1.842433] ip (246) used greatest stack depth: 12376 bytes left
[    2.374219] ip (280) used greatest stack depth: 12360 bytes left
[    2.555765] ip (294) used greatest stack depth: 12344 bytes left
[   16.014512] mpls_gso: MPLS GSO support
[   22.068498] ip (2181) used greatest stack depth: 12328 bytes left
[  842.606759] blackhole_netdev_xmit(): Dropping skb.
[  842.606836] blackhole_netdev_xmit(): Dropping skb.
[  842.606876] blackhole_netdev_xmit(): Dropping skb.
[  842.606929] blackhole_netdev_xmit(): Dropping skb.
[  880.767867] blackhole_netdev_xmit(): Dropping skb.
[  880.767922] blackhole_netdev_xmit(): Dropping skb.
[  880.767957] blackhole_netdev_xmit(): Dropping skb.
[  880.767994] blackhole_netdev_xmit(): Dropping skb.
[  986.815905] blackhole_netdev_xmit(): Dropping skb.
[  986.815974] blackhole_netdev_xmit(): Dropping skb.
[  986.816007] blackhole_netdev_xmit(): Dropping skb.
[  986.816041] blackhole_netdev_xmit(): Dropping skb.