[    2.014023] ip (267) used greatest stack depth: 12392 bytes left
[    2.248196] ip (295) used greatest stack depth: 12200 bytes left
[   52.583975] netem: version 1.3
[  577.918222] tc (16938) used greatest stack depth: 11864 bytes left
[  634.841030] pm_nl_ctl (20240) used greatest stack depth: 11784 bytes left