[    2.062674] ip (294) used greatest stack depth: 12248 bytes left
[   11.018240] mpls_gso: MPLS GSO support
[  755.651815] blackhole_netdev_xmit(): Dropping skb.
[  755.651950] blackhole_netdev_xmit(): Dropping skb.
[  755.652034] blackhole_netdev_xmit(): Dropping skb.
[  755.652100] blackhole_netdev_xmit(): Dropping skb.