[    2.691391] ip (277) used greatest stack depth: 12352 bytes left
[    2.930242] ip (291) used greatest stack depth: 12336 bytes left
[   14.792268] ip (1172) used greatest stack depth: 12296 bytes left
[  631.972368] ip (20362) used greatest stack depth: 12184 bytes left
[  744.446859] blackhole_netdev_xmit(): Dropping skb.
[  744.446922] blackhole_netdev_xmit(): Dropping skb.
[  744.446955] blackhole_netdev_xmit(): Dropping skb.
[  744.446990] blackhole_netdev_xmit(): Dropping skb.
[  765.612362] blackhole_netdev_xmit(): Dropping skb.
[  765.612421] blackhole_netdev_xmit(): Dropping skb.
[  765.612456] blackhole_netdev_xmit(): Dropping skb.
[  765.612491] blackhole_netdev_xmit(): Dropping skb.
[  801.566078] blackhole_netdev_xmit(): Dropping skb.
[  801.566155] blackhole_netdev_xmit(): Dropping skb.
[  801.566211] blackhole_netdev_xmit(): Dropping skb.
[  801.566276] blackhole_netdev_xmit(): Dropping skb.
[  811.916093] blackhole_netdev_xmit(): Dropping skb.
[  811.916151] blackhole_netdev_xmit(): Dropping skb.
[  811.916187] blackhole_netdev_xmit(): Dropping skb.
[  811.916223] blackhole_netdev_xmit(): Dropping skb.
[  831.676877] blackhole_netdev_xmit(): Dropping skb.
[  831.676949] blackhole_netdev_xmit(): Dropping skb.
[  831.676996] blackhole_netdev_xmit(): Dropping skb.
[  831.677040] blackhole_netdev_xmit(): Dropping skb.
[ 1011.025520] blackhole_netdev_xmit(): Dropping skb.
[ 1011.025583] blackhole_netdev_xmit(): Dropping skb.
[ 1011.025615] blackhole_netdev_xmit(): Dropping skb.
[ 1011.025645] blackhole_netdev_xmit(): Dropping skb.
[ 1015.238763] blackhole_netdev_xmit(): Dropping skb.
[ 1015.238824] blackhole_netdev_xmit(): Dropping skb.
[ 1015.238859] blackhole_netdev_xmit(): Dropping skb.
[ 1015.238901] blackhole_netdev_xmit(): Dropping skb.
[ 1032.898681] blackhole_netdev_xmit(): Dropping skb.
[ 1032.898745] blackhole_netdev_xmit(): Dropping skb.
[ 1032.898785] blackhole_netdev_xmit(): Dropping skb.
[ 1032.898822] blackhole_netdev_xmit(): Dropping skb.
[ 1066.092903] blackhole_netdev_xmit(): Dropping skb.
[ 1066.092966] blackhole_netdev_xmit(): Dropping skb.
[ 1066.093006] blackhole_netdev_xmit(): Dropping skb.
[ 1066.093033] blackhole_netdev_xmit(): Dropping skb.
[ 1075.039724] blackhole_netdev_xmit(): Dropping skb.
[ 1075.039777] blackhole_netdev_xmit(): Dropping skb.
[ 1075.039812] blackhole_netdev_xmit(): Dropping skb.
[ 1075.039845] blackhole_netdev_xmit(): Dropping skb.
[ 1141.658558] blackhole_netdev_xmit(): Dropping skb.
[ 1141.658618] blackhole_netdev_xmit(): Dropping skb.
[ 1141.658655] blackhole_netdev_xmit(): Dropping skb.
[ 1141.658693] blackhole_netdev_xmit(): Dropping skb.