[    2.087256] ip (294) used greatest stack depth: 12248 bytes left
[   11.897725] mpls_gso: MPLS GSO support
[ 1168.662879] blackhole_netdev_xmit(): Dropping skb.
[ 1168.662948] blackhole_netdev_xmit(): Dropping skb.
[ 1168.662987] blackhole_netdev_xmit(): Dropping skb.
[ 1168.663040] blackhole_netdev_xmit(): Dropping skb.