[    1.461044] ip (260) used greatest stack depth: 12280 bytes left
[    1.866646] ip (294) used greatest stack depth: 12248 bytes left
[   11.179972] mpls_gso: MPLS GSO support
[  792.382558] blackhole_netdev_xmit(): Dropping skb.
[  792.382638] blackhole_netdev_xmit(): Dropping skb.
[  792.382684] blackhole_netdev_xmit(): Dropping skb.
[  792.382729] blackhole_netdev_xmit(): Dropping skb.
[  967.266480] blackhole_netdev_xmit(): Dropping skb.
[  967.266531] blackhole_netdev_xmit(): Dropping skb.
[  967.266570] blackhole_netdev_xmit(): Dropping skb.
[  967.266607] blackhole_netdev_xmit(): Dropping skb.