[    2.198810] ip (294) used greatest stack depth: 12200 bytes left
[   14.005962] mpls_gso: MPLS GSO support
[  785.082496] blackhole_netdev_xmit(): Dropping skb.
[  785.082617] blackhole_netdev_xmit(): Dropping skb.
[  785.082693] blackhole_netdev_xmit(): Dropping skb.
[  785.082766] blackhole_netdev_xmit(): Dropping skb.