[    2.037843] ip (250) used greatest stack depth: 12328 bytes left
[    2.799372] ip (295) used greatest stack depth: 12304 bytes left
[   16.274820] mpls_gso: MPLS GSO support
[  669.339557] blackhole_netdev_xmit(): Dropping skb.
[  669.339632] blackhole_netdev_xmit(): Dropping skb.
[  669.339687] blackhole_netdev_xmit(): Dropping skb.
[  669.339741] blackhole_netdev_xmit(): Dropping skb.
[  887.366162] blackhole_netdev_xmit(): Dropping skb.
[  887.366221] blackhole_netdev_xmit(): Dropping skb.
[  887.366252] blackhole_netdev_xmit(): Dropping skb.
[  887.366284] blackhole_netdev_xmit(): Dropping skb.