[    1.603699] ip (260) used greatest stack depth: 12232 bytes left
[    2.047065] ip (294) used greatest stack depth: 12200 bytes left
[   11.787732] mpls_gso: MPLS GSO support
[ 1227.187790] blackhole_netdev_xmit(): Dropping skb.
[ 1227.187848] blackhole_netdev_xmit(): Dropping skb.
[ 1227.187903] blackhole_netdev_xmit(): Dropping skb.
[ 1227.187945] blackhole_netdev_xmit(): Dropping skb.