[    1.744284] ip (254) used greatest stack depth: 12280 bytes left
[   11.097304] mpls_gso: MPLS GSO support
[  794.046425] blackhole_netdev_xmit(): Dropping skb.
[  794.046535] blackhole_netdev_xmit(): Dropping skb.
[  794.046585] blackhole_netdev_xmit(): Dropping skb.
[  794.046632] blackhole_netdev_xmit(): Dropping skb.