[    2.580832] ip (280) used greatest stack depth: 12344 bytes left
[    6.130920] ip (447) used greatest stack depth: 12192 bytes left
[   15.963466] mpls_gso: MPLS GSO support
[  753.650494] blackhole_netdev_xmit(): Dropping skb.
[  753.650553] blackhole_netdev_xmit(): Dropping skb.
[  753.650585] blackhole_netdev_xmit(): Dropping skb.
[  753.650616] blackhole_netdev_xmit(): Dropping skb.
[  813.151792] blackhole_netdev_xmit(): Dropping skb.
[  813.151849] blackhole_netdev_xmit(): Dropping skb.
[  813.151882] blackhole_netdev_xmit(): Dropping skb.
[  813.151931] blackhole_netdev_xmit(): Dropping skb.
[  841.228645] blackhole_netdev_xmit(): Dropping skb.
[  841.228730] blackhole_netdev_xmit(): Dropping skb.
[  841.228784] blackhole_netdev_xmit(): Dropping skb.
[  841.228832] blackhole_netdev_xmit(): Dropping skb.