[    2.980813] ip (281) used greatest stack depth: 12344 bytes left
[   17.882416] mpls_gso: MPLS GSO support
[  717.809645] blackhole_netdev_xmit(): Dropping skb.
[  717.809707] blackhole_netdev_xmit(): Dropping skb.
[  717.809739] blackhole_netdev_xmit(): Dropping skb.
[  717.809765] blackhole_netdev_xmit(): Dropping skb.