[    1.746414] ip (259) used greatest stack depth: 12232 bytes left
[   11.535309] mpls_gso: MPLS GSO support
[  706.639589] blackhole_netdev_xmit(): Dropping skb.
[  706.639656] blackhole_netdev_xmit(): Dropping skb.
[  706.639698] blackhole_netdev_xmit(): Dropping skb.
[  706.639741] blackhole_netdev_xmit(): Dropping skb.
[  755.230289] blackhole_netdev_xmit(): Dropping skb.
[  755.230349] blackhole_netdev_xmit(): Dropping skb.
[  755.230395] blackhole_netdev_xmit(): Dropping skb.
[  755.230430] blackhole_netdev_xmit(): Dropping skb.