[    2.129605] ip (294) used greatest stack depth: 12248 bytes left
[   47.985911] netem: version 1.3
[  510.635999] ip (13044) used greatest stack depth: 12232 bytes left
[  577.202218] tc (15683) used greatest stack depth: 11952 bytes left
[  635.073266] pm_nl_ctl (18828) used greatest stack depth: 11832 bytes left