[    2.505779] ip (282) used greatest stack depth: 12360 bytes left
[    2.714575] ip (296) used greatest stack depth: 12344 bytes left
[   16.110195] mpls_gso: MPLS GSO support
[   29.264004] ip (2615) used greatest stack depth: 12208 bytes left
[  847.325023] blackhole_netdev_xmit(): Dropping skb.
[  847.325089] blackhole_netdev_xmit(): Dropping skb.
[  847.325120] blackhole_netdev_xmit(): Dropping skb.
[  847.325152] blackhole_netdev_xmit(): Dropping skb.
[  896.823464] blackhole_netdev_xmit(): Dropping skb.
[  896.823537] blackhole_netdev_xmit(): Dropping skb.
[  896.823585] blackhole_netdev_xmit(): Dropping skb.
[  896.823636] blackhole_netdev_xmit(): Dropping skb.
[  930.178212] blackhole_netdev_xmit(): Dropping skb.
[  930.178270] blackhole_netdev_xmit(): Dropping skb.
[  930.178299] blackhole_netdev_xmit(): Dropping skb.
[  930.178326] blackhole_netdev_xmit(): Dropping skb.