[    4.060374] ip (523) used greatest stack depth: 12096 bytes left
[   51.492595] netem: version 1.3
[  501.067463] ip (13613) used greatest stack depth: 11976 bytes left
[  567.983282] tc (16939) used greatest stack depth: 11896 bytes left
[  624.562790] pm_nl_ctl (20239) used greatest stack depth: 11864 bytes left