[    2.266136] ip (260) used greatest stack depth: 12416 bytes left
[    2.994558] ip (294) used greatest stack depth: 12384 bytes left
[   19.044101] mpls_gso: MPLS GSO support
[  927.040172] blackhole_netdev_xmit(): Dropping skb.
[  927.040233] blackhole_netdev_xmit(): Dropping skb.
[  927.040263] blackhole_netdev_xmit(): Dropping skb.
[  927.040290] blackhole_netdev_xmit(): Dropping skb.
[  958.192108] blackhole_netdev_xmit(): Dropping skb.
[  958.192162] blackhole_netdev_xmit(): Dropping skb.
[  958.192201] blackhole_netdev_xmit(): Dropping skb.
[  958.192228] blackhole_netdev_xmit(): Dropping skb.