[    1.885718] ip (295) used greatest stack depth: 12272 bytes left
[   10.675899] mpls_gso: MPLS GSO support
[  759.000542] blackhole_netdev_xmit(): Dropping skb.
[  759.000662] blackhole_netdev_xmit(): Dropping skb.
[  759.000725] blackhole_netdev_xmit(): Dropping skb.
[  759.000792] blackhole_netdev_xmit(): Dropping skb.
[  979.534053] blackhole_netdev_xmit(): Dropping skb.
[  979.534124] blackhole_netdev_xmit(): Dropping skb.
[  979.534163] blackhole_netdev_xmit(): Dropping skb.
[  979.534209] blackhole_netdev_xmit(): Dropping skb.