[    2.161829] ip (294) used greatest stack depth: 12248 bytes left
[   12.441635] mpls_gso: MPLS GSO support
[   18.164061] ip (2305) used greatest stack depth: 12216 bytes left
[ 1057.654861] blackhole_netdev_xmit(): Dropping skb.
[ 1057.654961] blackhole_netdev_xmit(): Dropping skb.
[ 1057.655040] blackhole_netdev_xmit(): Dropping skb.
[ 1057.655101] blackhole_netdev_xmit(): Dropping skb.
[ 1164.228028] blackhole_netdev_xmit(): Dropping skb.
[ 1164.228084] blackhole_netdev_xmit(): Dropping skb.
[ 1164.228122] blackhole_netdev_xmit(): Dropping skb.
[ 1164.228170] blackhole_netdev_xmit(): Dropping skb.
[ 1241.378448] blackhole_netdev_xmit(): Dropping skb.
[ 1241.378513] blackhole_netdev_xmit(): Dropping skb.
[ 1241.378592] blackhole_netdev_xmit(): Dropping skb.
[ 1241.378652] blackhole_netdev_xmit(): Dropping skb.