[    2.707829] ip (280) used greatest stack depth: 12360 bytes left
[    2.760175] ip (284) used greatest stack depth: 12344 bytes left
[   16.143726] mpls_gso: MPLS GSO support
[   17.153277] ip (1405) used greatest stack depth: 12192 bytes left
[  724.234463] blackhole_netdev_xmit(): Dropping skb.
[  724.234537] blackhole_netdev_xmit(): Dropping skb.
[  724.234578] blackhole_netdev_xmit(): Dropping skb.
[  724.234619] blackhole_netdev_xmit(): Dropping skb.
[  920.448254] blackhole_netdev_xmit(): Dropping skb.
[  920.448330] blackhole_netdev_xmit(): Dropping skb.
[  920.448379] blackhole_netdev_xmit(): Dropping skb.
[  920.448438] blackhole_netdev_xmit(): Dropping skb.