[    1.777348] ip (259) used greatest stack depth: 12280 bytes left
[   12.593651] mpls_gso: MPLS GSO support
[  797.090253] blackhole_netdev_xmit(): Dropping skb.
[  797.090318] blackhole_netdev_xmit(): Dropping skb.
[  797.090375] blackhole_netdev_xmit(): Dropping skb.
[  797.090416] blackhole_netdev_xmit(): Dropping skb.