[    2.624858] ip (260) used greatest stack depth: 12416 bytes left
[    2.717401] ip (266) used greatest stack depth: 12368 bytes left
[   17.040533] ip (1124) used greatest stack depth: 12360 bytes left
[   20.935243] mpls_gso: MPLS GSO support
[  679.132337] blackhole_netdev_xmit(): Dropping skb.
[  679.132409] blackhole_netdev_xmit(): Dropping skb.
[  679.132444] blackhole_netdev_xmit(): Dropping skb.
[  679.132477] blackhole_netdev_xmit(): Dropping skb.
[  981.243347] blackhole_netdev_xmit(): Dropping skb.
[  981.243419] blackhole_netdev_xmit(): Dropping skb.
[  981.243465] blackhole_netdev_xmit(): Dropping skb.
[  981.243509] blackhole_netdev_xmit(): Dropping skb.