[    2.757946] ip (280) used greatest stack depth: 12360 bytes left
[    6.280560] ip (448) used greatest stack depth: 12344 bytes left
[   17.020395] mpls_gso: MPLS GSO support
[  788.882503] blackhole_netdev_xmit(): Dropping skb.
[  788.882566] blackhole_netdev_xmit(): Dropping skb.
[  788.882597] blackhole_netdev_xmit(): Dropping skb.
[  788.882636] blackhole_netdev_xmit(): Dropping skb.
[  911.646896] blackhole_netdev_xmit(): Dropping skb.
[  911.646955] blackhole_netdev_xmit(): Dropping skb.
[  911.647001] blackhole_netdev_xmit(): Dropping skb.
[  911.647037] blackhole_netdev_xmit(): Dropping skb.