[    2.097217] ip (251) used greatest stack depth: 12944 bytes left
[    2.814837] ip (285) used greatest stack depth: 12256 bytes left
[   16.300750] mpls_gso: MPLS GSO support
[  674.085909] blackhole_netdev_xmit(): Dropping skb.
[  674.086002] blackhole_netdev_xmit(): Dropping skb.
[  674.086052] blackhole_netdev_xmit(): Dropping skb.
[  674.086102] blackhole_netdev_xmit(): Dropping skb.
[  863.441682] blackhole_netdev_xmit(): Dropping skb.
[  863.441755] blackhole_netdev_xmit(): Dropping skb.
[  863.441809] blackhole_netdev_xmit(): Dropping skb.
[  863.441865] blackhole_netdev_xmit(): Dropping skb.