[    2.010940] ip (285) used greatest stack depth: 12248 bytes left
[   21.464384] ip (1390) used greatest stack depth: 12232 bytes left
[   47.435174] netem: version 1.3
[  550.432763] tc (15678) used greatest stack depth: 11952 bytes left
[  607.757265] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left