[    2.473019] ip (280) used greatest stack depth: 12272 bytes left
[   17.896145] mpls_gso: MPLS GSO support
[  670.280322] blackhole_netdev_xmit(): Dropping skb.
[  670.280384] blackhole_netdev_xmit(): Dropping skb.
[  670.280420] blackhole_netdev_xmit(): Dropping skb.
[  670.280448] blackhole_netdev_xmit(): Dropping skb.
[  729.050754] blackhole_netdev_xmit(): Dropping skb.
[  729.050816] blackhole_netdev_xmit(): Dropping skb.
[  729.050846] blackhole_netdev_xmit(): Dropping skb.
[  729.050873] blackhole_netdev_xmit(): Dropping skb.