[    2.095469] ip (294) used greatest stack depth: 12248 bytes left
[   47.532912] netem: version 1.3
[  504.079920] ip (14001) used greatest stack depth: 12232 bytes left
[  560.402199] tc (15677) used greatest stack depth: 11952 bytes left
[  620.299868] pm_nl_ctl (18821) used greatest stack depth: 11872 bytes left