[    3.026573] ip (430) used greatest stack depth: 12216 bytes left
[   15.926313] ip (1394) used greatest stack depth: 12200 bytes left
[   49.917758] netem: version 1.3
[  555.048637] tc (16939) used greatest stack depth: 11920 bytes left
[  611.867679] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left