[    1.506547] ip (264) used greatest stack depth: 12280 bytes left
[    1.869082] ip (295) used greatest stack depth: 12248 bytes left
[   11.006610] mpls_gso: MPLS GSO support
[  794.471190] blackhole_netdev_xmit(): Dropping skb.
[  794.471247] blackhole_netdev_xmit(): Dropping skb.
[  794.471288] blackhole_netdev_xmit(): Dropping skb.
[  794.471327] blackhole_netdev_xmit(): Dropping skb.