[    2.016975] ip (294) used greatest stack depth: 12272 bytes left
[    2.916395] ip (389) used greatest stack depth: 12000 bytes left
[   51.734829] netem: version 1.3
[  563.519083] tc (15677) used greatest stack depth: 11936 bytes left
[  621.268794] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left