[    2.154997] ip (247) used greatest stack depth: 12376 bytes left
[    2.816819] ip (281) used greatest stack depth: 12360 bytes left
[    2.869053] ip (285) used greatest stack depth: 12344 bytes left
[    6.642383] ip (464) used greatest stack depth: 12064 bytes left
[   17.451766] mpls_gso: MPLS GSO support
[  854.146815] blackhole_netdev_xmit(): Dropping skb.
[  854.146876] blackhole_netdev_xmit(): Dropping skb.
[  854.146906] blackhole_netdev_xmit(): Dropping skb.
[  854.146942] blackhole_netdev_xmit(): Dropping skb.
[  887.107217] blackhole_netdev_xmit(): Dropping skb.
[  887.107268] blackhole_netdev_xmit(): Dropping skb.
[  887.107305] blackhole_netdev_xmit(): Dropping skb.
[  887.107335] blackhole_netdev_xmit(): Dropping skb.
[ 1238.640882] blackhole_netdev_xmit(): Dropping skb.
[ 1238.640955] blackhole_netdev_xmit(): Dropping skb.
[ 1238.640996] blackhole_netdev_xmit(): Dropping skb.
[ 1238.641033] blackhole_netdev_xmit(): Dropping skb.