[    2.095774] ip (250) used greatest stack depth: 12416 bytes left
[    2.714145] ip (284) used greatest stack depth: 12384 bytes left
[   18.353333] mpls_gso: MPLS GSO support
[   25.086769] ip (2197) used greatest stack depth: 12360 bytes left
[   25.388559] ip (2214) used greatest stack depth: 12320 bytes left
[  692.510596] blackhole_netdev_xmit(): Dropping skb.
[  692.510657] blackhole_netdev_xmit(): Dropping skb.
[  692.510687] blackhole_netdev_xmit(): Dropping skb.
[  692.510714] blackhole_netdev_xmit(): Dropping skb.
[  709.466171] blackhole_netdev_xmit(): Dropping skb.
[  709.466235] blackhole_netdev_xmit(): Dropping skb.
[  709.466277] blackhole_netdev_xmit(): Dropping skb.
[  709.466315] blackhole_netdev_xmit(): Dropping skb.
[ 1226.938918] blackhole_netdev_xmit(): Dropping skb.
[ 1226.938998] blackhole_netdev_xmit(): Dropping skb.
[ 1226.939035] blackhole_netdev_xmit(): Dropping skb.
[ 1226.939072] blackhole_netdev_xmit(): Dropping skb.