[    2.135078] ip (295) used greatest stack depth: 12248 bytes left
[   51.082274] netem: version 1.3
[  490.234145] ip (12449) used greatest stack depth: 12232 bytes left
[  624.517682] tc (21294) used greatest stack depth: 11952 bytes left
[  682.340323] pm_nl_ctl (24436) used greatest stack depth: 11752 bytes left