[    1.917560] ip (243) used greatest stack depth: 12384 bytes left
[    2.513493] ip (277) used greatest stack depth: 12352 bytes left
[   20.776558] ip (2149) used greatest stack depth: 12200 bytes left
[  682.601917] blackhole_netdev_xmit(): Dropping skb.
[  682.601986] blackhole_netdev_xmit(): Dropping skb.
[  682.602024] blackhole_netdev_xmit(): Dropping skb.
[  682.602058] blackhole_netdev_xmit(): Dropping skb.
[  778.273093] blackhole_netdev_xmit(): Dropping skb.
[  778.273163] blackhole_netdev_xmit(): Dropping skb.
[  778.273195] blackhole_netdev_xmit(): Dropping skb.
[  778.273228] blackhole_netdev_xmit(): Dropping skb.
[  866.343932] blackhole_netdev_xmit(): Dropping skb.
[  866.343993] blackhole_netdev_xmit(): Dropping skb.
[  866.344030] blackhole_netdev_xmit(): Dropping skb.
[  866.344074] blackhole_netdev_xmit(): Dropping skb.
[  879.340182] blackhole_netdev_xmit(): Dropping skb.
[  879.340234] blackhole_netdev_xmit(): Dropping skb.
[  879.340265] blackhole_netdev_xmit(): Dropping skb.
[  879.340302] blackhole_netdev_xmit(): Dropping skb.
[  883.916192] blackhole_netdev_xmit(): Dropping skb.
[  883.916243] blackhole_netdev_xmit(): Dropping skb.
[  883.916275] blackhole_netdev_xmit(): Dropping skb.
[  883.916301] blackhole_netdev_xmit(): Dropping skb.
[  887.368296] blackhole_netdev_xmit(): Dropping skb.
[  887.368361] blackhole_netdev_xmit(): Dropping skb.
[  887.368409] blackhole_netdev_xmit(): Dropping skb.
[  887.368453] blackhole_netdev_xmit(): Dropping skb.
[  929.371850] blackhole_netdev_xmit(): Dropping skb.
[  929.371905] blackhole_netdev_xmit(): Dropping skb.
[  929.371939] blackhole_netdev_xmit(): Dropping skb.
[  929.371971] blackhole_netdev_xmit(): Dropping skb.
[  949.155349] blackhole_netdev_xmit(): Dropping skb.
[  949.155407] blackhole_netdev_xmit(): Dropping skb.
[  949.155439] blackhole_netdev_xmit(): Dropping skb.
[  949.155473] blackhole_netdev_xmit(): Dropping skb.
[ 1110.351392] blackhole_netdev_xmit(): Dropping skb.
[ 1110.351449] blackhole_netdev_xmit(): Dropping skb.
[ 1110.351480] blackhole_netdev_xmit(): Dropping skb.
[ 1110.351507] blackhole_netdev_xmit(): Dropping skb.
[ 1184.855053] blackhole_netdev_xmit(): Dropping skb.
[ 1184.855113] blackhole_netdev_xmit(): Dropping skb.
[ 1184.855147] blackhole_netdev_xmit(): Dropping skb.
[ 1184.855180] blackhole_netdev_xmit(): Dropping skb.