[    1.789602] ip (285) used greatest stack depth: 12248 bytes left
[   37.287970] ip (2310) used greatest stack depth: 12120 bytes left
[   46.686158] netem: version 1.3
[  560.301067] tc (15683) used greatest stack depth: 11952 bytes left
[  618.496275] pm_nl_ctl (18827) used greatest stack depth: 11864 bytes left