[    2.267854] ip (286) used greatest stack depth: 12360 bytes left
[    3.493246] ip (383) used greatest stack depth: 12344 bytes left
[   10.172787] ip (895) used greatest stack depth: 12288 bytes left
[   53.821724] netem: version 1.3
[  219.788945] ip (3928) used greatest stack depth: 12160 bytes left
[  351.907318] ip (5508) used greatest stack depth: 12064 bytes left