[    1.730850] ip (260) used greatest stack depth: 12832 bytes left
[    2.211474] ip (294) used greatest stack depth: 12248 bytes left
[   14.052344] mpls_gso: MPLS GSO support
[   20.188501] ip (2294) used greatest stack depth: 12136 bytes left
[  894.390852] blackhole_netdev_xmit(): Dropping skb.
[  894.390916] blackhole_netdev_xmit(): Dropping skb.
[  894.390958] blackhole_netdev_xmit(): Dropping skb.
[  894.390994] blackhole_netdev_xmit(): Dropping skb.