[    2.820555] ip (279) used greatest stack depth: 12344 bytes left
[    9.714985] ip (775) used greatest stack depth: 12328 bytes left
[   16.903351] mpls_gso: MPLS GSO support
[   25.125928] ip (2274) used greatest stack depth: 12160 bytes left
[  707.079880] blackhole_netdev_xmit(): Dropping skb.
[  707.079947] blackhole_netdev_xmit(): Dropping skb.
[  707.079981] blackhole_netdev_xmit(): Dropping skb.
[  707.080015] blackhole_netdev_xmit(): Dropping skb.
[  884.852451] blackhole_netdev_xmit(): Dropping skb.
[  884.852516] blackhole_netdev_xmit(): Dropping skb.
[  884.852552] blackhole_netdev_xmit(): Dropping skb.
[  884.852586] blackhole_netdev_xmit(): Dropping skb.