[    2.403982] ip (272) used greatest stack depth: 12344 bytes left
[  664.241918] blackhole_netdev_xmit(): Dropping skb.
[  664.241992] blackhole_netdev_xmit(): Dropping skb.
[  664.242036] blackhole_netdev_xmit(): Dropping skb.
[  664.242092] blackhole_netdev_xmit(): Dropping skb.
[  696.354211] blackhole_netdev_xmit(): Dropping skb.
[  696.354269] blackhole_netdev_xmit(): Dropping skb.
[  696.354305] blackhole_netdev_xmit(): Dropping skb.
[  696.354337] blackhole_netdev_xmit(): Dropping skb.
[  796.607678] blackhole_netdev_xmit(): Dropping skb.
[  796.607747] blackhole_netdev_xmit(): Dropping skb.
[  796.607789] blackhole_netdev_xmit(): Dropping skb.
[  796.607832] blackhole_netdev_xmit(): Dropping skb.
[  803.325837] blackhole_netdev_xmit(): Dropping skb.
[  803.325906] blackhole_netdev_xmit(): Dropping skb.
[  803.325942] blackhole_netdev_xmit(): Dropping skb.
[  803.325976] blackhole_netdev_xmit(): Dropping skb.
[  898.736735] blackhole_netdev_xmit(): Dropping skb.
[  898.736805] blackhole_netdev_xmit(): Dropping skb.
[  898.736840] blackhole_netdev_xmit(): Dropping skb.
[  898.736877] blackhole_netdev_xmit(): Dropping skb.
[ 1064.650583] blackhole_netdev_xmit(): Dropping skb.
[ 1064.650654] blackhole_netdev_xmit(): Dropping skb.
[ 1064.650688] blackhole_netdev_xmit(): Dropping skb.
[ 1064.650721] blackhole_netdev_xmit(): Dropping skb.
[ 1196.747775] blackhole_netdev_xmit(): Dropping skb.
[ 1196.747837] blackhole_netdev_xmit(): Dropping skb.
[ 1196.747878] blackhole_netdev_xmit(): Dropping skb.
[ 1196.747914] blackhole_netdev_xmit(): Dropping skb.