[    1.758523] ip (260) used greatest stack depth: 12832 bytes left
[    1.789016] ip (263) used greatest stack depth: 12280 bytes left
[    2.208759] ip (294) used greatest stack depth: 12264 bytes left
[   13.165213] mpls_gso: MPLS GSO support
[ 1097.626869] blackhole_netdev_xmit(): Dropping skb.
[ 1097.626958] blackhole_netdev_xmit(): Dropping skb.
[ 1097.627018] blackhole_netdev_xmit(): Dropping skb.
[ 1097.627073] blackhole_netdev_xmit(): Dropping skb.