[    2.519149] ip (280) used greatest stack depth: 12344 bytes left
[   16.283776] mpls_gso: MPLS GSO support
[  828.914989] blackhole_netdev_xmit(): Dropping skb.
[  828.915057] blackhole_netdev_xmit(): Dropping skb.
[  828.915097] blackhole_netdev_xmit(): Dropping skb.
[  828.915145] blackhole_netdev_xmit(): Dropping skb.
[  934.504140] blackhole_netdev_xmit(): Dropping skb.
[  934.504201] blackhole_netdev_xmit(): Dropping skb.
[  934.504236] blackhole_netdev_xmit(): Dropping skb.
[  934.504275] blackhole_netdev_xmit(): Dropping skb.