[    1.848369] ip (246) used greatest stack depth: 12376 bytes left
[    2.483015] ip (280) used greatest stack depth: 12344 bytes left
[   15.496673] mpls_gso: MPLS GSO support
[  636.412873] ip (20247) used greatest stack depth: 12192 bytes left
[  700.942040] blackhole_netdev_xmit(): Dropping skb.
[  700.942103] blackhole_netdev_xmit(): Dropping skb.
[  700.942136] blackhole_netdev_xmit(): Dropping skb.
[  700.942170] blackhole_netdev_xmit(): Dropping skb.
[  823.049986] blackhole_netdev_xmit(): Dropping skb.
[  823.050056] blackhole_netdev_xmit(): Dropping skb.
[  823.050103] blackhole_netdev_xmit(): Dropping skb.
[  823.050143] blackhole_netdev_xmit(): Dropping skb.