[    2.080771] ip (245) used greatest stack depth: 12376 bytes left
[    2.774426] ip (279) used greatest stack depth: 12344 bytes left
[   18.262480] mpls_gso: MPLS GSO support
[  640.563603] ip (20402) used greatest stack depth: 12328 bytes left
[  906.850790] blackhole_netdev_xmit(): Dropping skb.
[  906.850851] blackhole_netdev_xmit(): Dropping skb.
[  906.850886] blackhole_netdev_xmit(): Dropping skb.
[  906.850933] blackhole_netdev_xmit(): Dropping skb.