[    2.284876] ip (250) used greatest stack depth: 12616 bytes left
[    2.993002] ip (278) used greatest stack depth: 12344 bytes left
[   18.941365] mpls_gso: MPLS GSO support
[   27.155830] ip (2274) used greatest stack depth: 12192 bytes left
[  976.367192] blackhole_netdev_xmit(): Dropping skb.
[  976.367274] blackhole_netdev_xmit(): Dropping skb.
[  976.367325] blackhole_netdev_xmit(): Dropping skb.
[  976.367359] blackhole_netdev_xmit(): Dropping skb.