[    2.402114] ip (275) used greatest stack depth: 12320 bytes left
[  653.140675] blackhole_netdev_xmit(): Dropping skb.
[  653.140778] blackhole_netdev_xmit(): Dropping skb.
[  653.140817] blackhole_netdev_xmit(): Dropping skb.
[  653.140851] blackhole_netdev_xmit(): Dropping skb.
[  672.133848] blackhole_netdev_xmit(): Dropping skb.
[  672.133905] blackhole_netdev_xmit(): Dropping skb.
[  672.133938] blackhole_netdev_xmit(): Dropping skb.
[  672.133972] blackhole_netdev_xmit(): Dropping skb.
[  674.899456] blackhole_netdev_xmit(): Dropping skb.
[  674.899513] blackhole_netdev_xmit(): Dropping skb.
[  674.899546] blackhole_netdev_xmit(): Dropping skb.
[  674.899580] blackhole_netdev_xmit(): Dropping skb.
[  684.300830] blackhole_netdev_xmit(): Dropping skb.
[  684.300887] blackhole_netdev_xmit(): Dropping skb.
[  684.300924] blackhole_netdev_xmit(): Dropping skb.
[  684.300958] blackhole_netdev_xmit(): Dropping skb.
[  710.626142] blackhole_netdev_xmit(): Dropping skb.
[  710.626199] blackhole_netdev_xmit(): Dropping skb.
[  710.626229] blackhole_netdev_xmit(): Dropping skb.
[  710.626265] blackhole_netdev_xmit(): Dropping skb.
[  723.538664] blackhole_netdev_xmit(): Dropping skb.
[  723.538733] blackhole_netdev_xmit(): Dropping skb.
[  723.538780] blackhole_netdev_xmit(): Dropping skb.
[  723.538831] blackhole_netdev_xmit(): Dropping skb.
[  742.791336] blackhole_netdev_xmit(): Dropping skb.
[  742.791426] blackhole_netdev_xmit(): Dropping skb.
[  742.791479] blackhole_netdev_xmit(): Dropping skb.
[  742.791546] blackhole_netdev_xmit(): Dropping skb.
[ 1017.714823] blackhole_netdev_xmit(): Dropping skb.
[ 1017.714891] blackhole_netdev_xmit(): Dropping skb.
[ 1017.714925] blackhole_netdev_xmit(): Dropping skb.
[ 1017.714959] blackhole_netdev_xmit(): Dropping skb.
[ 1119.699604] blackhole_netdev_xmit(): Dropping skb.
[ 1119.699657] blackhole_netdev_xmit(): Dropping skb.
[ 1119.699687] blackhole_netdev_xmit(): Dropping skb.
[ 1119.699713] blackhole_netdev_xmit(): Dropping skb.
[ 1129.514833] blackhole_netdev_xmit(): Dropping skb.
[ 1129.514884] blackhole_netdev_xmit(): Dropping skb.
[ 1129.514915] blackhole_netdev_xmit(): Dropping skb.
[ 1129.514941] blackhole_netdev_xmit(): Dropping skb.
[ 1138.353707] blackhole_netdev_xmit(): Dropping skb.
[ 1138.353761] blackhole_netdev_xmit(): Dropping skb.
[ 1138.353792] blackhole_netdev_xmit(): Dropping skb.
[ 1138.353819] blackhole_netdev_xmit(): Dropping skb.
[ 1211.040555] blackhole_netdev_xmit(): Dropping skb.
[ 1211.040643] blackhole_netdev_xmit(): Dropping skb.
[ 1211.040703] blackhole_netdev_xmit(): Dropping skb.
[ 1211.040772] blackhole_netdev_xmit(): Dropping skb.