[    2.095680] ip (266) used greatest stack depth: 12368 bytes left
[   16.130161] mpls_gso: MPLS GSO support
[   29.802439] ip (2715) used greatest stack depth: 12360 bytes left
[  331.362234] ip (32250) used greatest stack depth: 12320 bytes left
[  862.810426] blackhole_netdev_xmit(): Dropping skb.
[  862.810490] blackhole_netdev_xmit(): Dropping skb.
[  862.810550] blackhole_netdev_xmit(): Dropping skb.
[  862.810581] blackhole_netdev_xmit(): Dropping skb.
[  953.822090] blackhole_netdev_xmit(): Dropping skb.
[  953.822154] blackhole_netdev_xmit(): Dropping skb.
[  953.822203] blackhole_netdev_xmit(): Dropping skb.
[  953.822242] blackhole_netdev_xmit(): Dropping skb.