[    2.597692] ip (278) used greatest stack depth: 12360 bytes left
[    2.650890] ip (282) used greatest stack depth: 12344 bytes left
[   15.091219] mpls_gso: MPLS GSO support
[  662.354513] blackhole_netdev_xmit(): Dropping skb.
[  662.354599] blackhole_netdev_xmit(): Dropping skb.
[  662.354650] blackhole_netdev_xmit(): Dropping skb.
[  662.354704] blackhole_netdev_xmit(): Dropping skb.
[  693.196812] blackhole_netdev_xmit(): Dropping skb.
[  693.196885] blackhole_netdev_xmit(): Dropping skb.
[  693.196927] blackhole_netdev_xmit(): Dropping skb.
[  693.196965] blackhole_netdev_xmit(): Dropping skb.
[ 1212.475515] blackhole_netdev_xmit(): Dropping skb.
[ 1212.475583] blackhole_netdev_xmit(): Dropping skb.
[ 1212.475614] blackhole_netdev_xmit(): Dropping skb.
[ 1212.475647] blackhole_netdev_xmit(): Dropping skb.