[    2.390720] ip (288) used greatest stack depth: 12344 bytes left
[   58.493958] netem: version 1.3
[  271.812889] ip (5578) used greatest stack depth: 12192 bytes left
[  595.283802] tc (15592) used greatest stack depth: 11936 bytes left
[  660.334302] pm_nl_ctl (18729) used greatest stack depth: 11832 bytes left