[    2.505937] ip (285) used greatest stack depth: 12344 bytes left
[   56.809697] netem: version 1.3
[  110.035826] ip (3088) used greatest stack depth: 12288 bytes left
[  610.118809] tc (13803) used greatest stack depth: 11936 bytes left
[  673.461705] pm_nl_ctl (16719) used greatest stack depth: 11720 bytes left