[    3.519138] ip (416) used greatest stack depth: 12248 bytes left
[   53.997447] netem: version 1.3
[  511.757605] ip (13739) used greatest stack depth: 12232 bytes left
[  570.403864] tc (15679) used greatest stack depth: 11952 bytes left
[  628.305996] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left