[    1.628472] ip (259) used greatest stack depth: 12280 bytes left
[    2.032596] ip (298) used greatest stack depth: 12136 bytes left
[   12.819655] mpls_gso: MPLS GSO support
[ 1093.156855] blackhole_netdev_xmit(): Dropping skb.
[ 1093.156912] blackhole_netdev_xmit(): Dropping skb.
[ 1093.156958] blackhole_netdev_xmit(): Dropping skb.
[ 1093.157002] blackhole_netdev_xmit(): Dropping skb.