[    1.915438] ip (295) used greatest stack depth: 12200 bytes left
[   11.079262] mpls_gso: MPLS GSO support
[  882.527238] blackhole_netdev_xmit(): Dropping skb.
[  882.527327] blackhole_netdev_xmit(): Dropping skb.
[  882.527374] blackhole_netdev_xmit(): Dropping skb.
[  882.527424] blackhole_netdev_xmit(): Dropping skb.