[    1.832428] ip (294) used greatest stack depth: 12248 bytes left
[   10.598028] mpls_gso: MPLS GSO support
[   14.576916] ip (2260) used greatest stack depth: 12232 bytes left
[  931.897035] blackhole_netdev_xmit(): Dropping skb.
[  931.897137] blackhole_netdev_xmit(): Dropping skb.
[  931.897199] blackhole_netdev_xmit(): Dropping skb.
[  931.897243] blackhole_netdev_xmit(): Dropping skb.