[    1.652022] ip (260) used greatest stack depth: 12288 bytes left
[    2.058822] ip (294) used greatest stack depth: 12272 bytes left
[   11.956395] mpls_gso: MPLS GSO support
[  760.106628] blackhole_netdev_xmit(): Dropping skb.
[  760.106723] blackhole_netdev_xmit(): Dropping skb.
[  760.106785] blackhole_netdev_xmit(): Dropping skb.
[  760.106830] blackhole_netdev_xmit(): Dropping skb.