[    2.011551] ip (294) used greatest stack depth: 12200 bytes left
[    5.346357] ip (641) used greatest stack depth: 12056 bytes left
[   56.338466] netem: version 1.3
[  564.813295] tc (15680) used greatest stack depth: 11952 bytes left
[  621.735581] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left