[    1.675316] ip (252) used greatest stack depth: 12248 bytes left
[    2.018565] ip (284) used greatest stack depth: 12200 bytes left
[   51.776950] netem: version 1.3
[  127.898389] ip (3750) used greatest stack depth: 12184 bytes left
[  573.785526] tc (15677) used greatest stack depth: 11952 bytes left
[  631.273076] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left