[    2.778304] ip (282) used greatest stack depth: 12360 bytes left
[    2.826101] ip (286) used greatest stack depth: 12344 bytes left
[   16.058175] mpls_gso: MPLS GSO support
[   17.204591] ip (1416) used greatest stack depth: 12064 bytes left
[  824.820715] blackhole_netdev_xmit(): Dropping skb.
[  824.820793] blackhole_netdev_xmit(): Dropping skb.
[  824.820904] blackhole_netdev_xmit(): Dropping skb.
[  824.820951] blackhole_netdev_xmit(): Dropping skb.
[ 1144.559501] blackhole_netdev_xmit(): Dropping skb.
[ 1144.559574] blackhole_netdev_xmit(): Dropping skb.
[ 1144.559608] blackhole_netdev_xmit(): Dropping skb.
[ 1144.559664] blackhole_netdev_xmit(): Dropping skb.