[    2.859306] ip (278) used greatest stack depth: 12344 bytes left
[   16.107701] mpls_gso: MPLS GSO support
[  634.515233] ip (29076) used greatest stack depth: 12304 bytes left
[  988.159616] blackhole_netdev_xmit(): Dropping skb.
[  988.159687] blackhole_netdev_xmit(): Dropping skb.
[  988.159736] blackhole_netdev_xmit(): Dropping skb.
[  988.159772] blackhole_netdev_xmit(): Dropping skb.