[    2.013608] ip (242) used greatest stack depth: 12384 bytes left
[    2.601957] ip (276) used greatest stack depth: 12368 bytes left
[    2.647383] ip (280) used greatest stack depth: 12352 bytes left
[   21.254379] ip (2137) used greatest stack depth: 12312 bytes left
[  668.841093] blackhole_netdev_xmit(): Dropping skb.
[  668.841173] blackhole_netdev_xmit(): Dropping skb.
[  668.841225] blackhole_netdev_xmit(): Dropping skb.
[  668.841267] blackhole_netdev_xmit(): Dropping skb.
[  671.697912] blackhole_netdev_xmit(): Dropping skb.
[  671.697978] blackhole_netdev_xmit(): Dropping skb.
[  671.698014] blackhole_netdev_xmit(): Dropping skb.
[  671.698051] blackhole_netdev_xmit(): Dropping skb.
[  676.531329] blackhole_netdev_xmit(): Dropping skb.
[  676.531388] blackhole_netdev_xmit(): Dropping skb.
[  676.531421] blackhole_netdev_xmit(): Dropping skb.
[  676.531457] blackhole_netdev_xmit(): Dropping skb.
[  678.453152] blackhole_netdev_xmit(): Dropping skb.
[  678.453214] blackhole_netdev_xmit(): Dropping skb.
[  678.453248] blackhole_netdev_xmit(): Dropping skb.
[  678.453283] blackhole_netdev_xmit(): Dropping skb.
[  744.679198] blackhole_netdev_xmit(): Dropping skb.
[  744.679281] blackhole_netdev_xmit(): Dropping skb.
[  744.679324] blackhole_netdev_xmit(): Dropping skb.
[  744.679362] blackhole_netdev_xmit(): Dropping skb.
[  794.535086] blackhole_netdev_xmit(): Dropping skb.
[  794.535147] blackhole_netdev_xmit(): Dropping skb.
[  794.535196] blackhole_netdev_xmit(): Dropping skb.
[  794.535246] blackhole_netdev_xmit(): Dropping skb.
[  808.418367] blackhole_netdev_xmit(): Dropping skb.
[  808.418419] blackhole_netdev_xmit(): Dropping skb.
[  808.418452] blackhole_netdev_xmit(): Dropping skb.
[  808.418480] blackhole_netdev_xmit(): Dropping skb.
[  884.835115] blackhole_netdev_xmit(): Dropping skb.
[  884.835176] blackhole_netdev_xmit(): Dropping skb.
[  884.835209] blackhole_netdev_xmit(): Dropping skb.
[  884.835244] blackhole_netdev_xmit(): Dropping skb.
[  895.359069] blackhole_netdev_xmit(): Dropping skb.
[  895.359130] blackhole_netdev_xmit(): Dropping skb.
[  895.359166] blackhole_netdev_xmit(): Dropping skb.
[  895.359202] blackhole_netdev_xmit(): Dropping skb.
[  937.302258] blackhole_netdev_xmit(): Dropping skb.
[  937.302314] blackhole_netdev_xmit(): Dropping skb.
[  937.302354] blackhole_netdev_xmit(): Dropping skb.
[  937.302400] blackhole_netdev_xmit(): Dropping skb.
[  949.236847] blackhole_netdev_xmit(): Dropping skb.
[  949.236899] blackhole_netdev_xmit(): Dropping skb.
[  949.236931] blackhole_netdev_xmit(): Dropping skb.
[  949.236963] blackhole_netdev_xmit(): Dropping skb.