[    3.340436] ip (282) used greatest stack depth: 12360 bytes left
[    3.593242] ip (296) used greatest stack depth: 12344 bytes left
[   18.818894] mpls_gso: MPLS GSO support
[  672.249165] blackhole_netdev_xmit(): Dropping skb.
[  672.249246] blackhole_netdev_xmit(): Dropping skb.
[  672.249288] blackhole_netdev_xmit(): Dropping skb.
[  672.249330] blackhole_netdev_xmit(): Dropping skb.
[  924.966790] blackhole_netdev_xmit(): Dropping skb.
[  924.966860] blackhole_netdev_xmit(): Dropping skb.
[  924.966907] blackhole_netdev_xmit(): Dropping skb.
[  924.966943] blackhole_netdev_xmit(): Dropping skb.
[  943.153939] blackhole_netdev_xmit(): Dropping skb.
[  943.154007] blackhole_netdev_xmit(): Dropping skb.
[  943.154043] blackhole_netdev_xmit(): Dropping skb.
[  943.154084] blackhole_netdev_xmit(): Dropping skb.