[    2.043350] ip (294) used greatest stack depth: 12232 bytes left
[   12.538079] mpls_gso: MPLS GSO support
[   19.239787] ip (2419) used greatest stack depth: 12216 bytes left
[ 1101.986777] blackhole_netdev_xmit(): Dropping skb.
[ 1101.986850] blackhole_netdev_xmit(): Dropping skb.
[ 1101.986897] blackhole_netdev_xmit(): Dropping skb.
[ 1101.986940] blackhole_netdev_xmit(): Dropping skb.