[    2.948639] ip (288) used greatest stack depth: 12272 bytes left
[   68.560051] netem: version 1.3
[  371.381226] ip (6745) used greatest stack depth: 12016 bytes left
[  642.878406] tc (15592) used greatest stack depth: 11936 bytes left
[  709.520981] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left