[    2.513893] ip (282) used greatest stack depth: 12360 bytes left
[    2.559166] ip (286) used greatest stack depth: 12344 bytes left
[   15.228165] mpls_gso: MPLS GSO support
[   21.567593] ip (2204) used greatest stack depth: 12304 bytes left
[  921.493156] blackhole_netdev_xmit(): Dropping skb.
[  921.493222] blackhole_netdev_xmit(): Dropping skb.
[  921.493253] blackhole_netdev_xmit(): Dropping skb.
[  921.493286] blackhole_netdev_xmit(): Dropping skb.
[ 1246.149948] blackhole_netdev_xmit(): Dropping skb.
[ 1246.150019] blackhole_netdev_xmit(): Dropping skb.
[ 1246.150052] blackhole_netdev_xmit(): Dropping skb.
[ 1246.150087] blackhole_netdev_xmit(): Dropping skb.