[    1.914667] ip (285) used greatest stack depth: 12248 bytes left
[   49.013200] netem: version 1.3
[  509.914444] ip (14550) used greatest stack depth: 12232 bytes left
[  545.732975] tc (15679) used greatest stack depth: 11952 bytes left
[  603.177174] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left