[    2.101827] ip (248) used greatest stack depth: 12376 bytes left
[    2.786013] ip (280) used greatest stack depth: 12344 bytes left
[   17.616825] mpls_gso: MPLS GSO support
[  657.947293] ip (20018) used greatest stack depth: 12304 bytes left
[  847.869309] blackhole_netdev_xmit(): Dropping skb.
[  847.869368] blackhole_netdev_xmit(): Dropping skb.
[  847.869398] blackhole_netdev_xmit(): Dropping skb.
[  847.869425] blackhole_netdev_xmit(): Dropping skb.