[    1.790967] ip (294) used greatest stack depth: 12248 bytes left
[   11.774754] mpls_gso: MPLS GSO support
[  784.537280] blackhole_netdev_xmit(): Dropping skb.
[  784.537377] blackhole_netdev_xmit(): Dropping skb.
[  784.537426] blackhole_netdev_xmit(): Dropping skb.
[  784.537478] blackhole_netdev_xmit(): Dropping skb.