[    1.965029] ip (293) used greatest stack depth: 12232 bytes left
[    8.896305] ip (1092) used greatest stack depth: 12216 bytes left
[   10.938363] mpls_gso: MPLS GSO support
[  660.990030] blackhole_netdev_xmit(): Dropping skb.
[  660.990127] blackhole_netdev_xmit(): Dropping skb.
[  660.990165] blackhole_netdev_xmit(): Dropping skb.
[  660.990197] blackhole_netdev_xmit(): Dropping skb.
[  824.980142] blackhole_netdev_xmit(): Dropping skb.
[  824.980216] blackhole_netdev_xmit(): Dropping skb.
[  824.980269] blackhole_netdev_xmit(): Dropping skb.
[  824.980313] blackhole_netdev_xmit(): Dropping skb.