[    2.041717] ip (293) used greatest stack depth: 12248 bytes left
[    5.388561] ip (630) used greatest stack depth: 12232 bytes left
[   50.968535] netem: version 1.3
[  573.436263] tc (15677) used greatest stack depth: 11952 bytes left
[  630.805325] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left