[    1.477420] ip (253) used greatest stack depth: 12296 bytes left
[    1.819103] ip (294) used greatest stack depth: 12248 bytes left
[   46.453705] netem: version 1.3
[  551.441802] tc (15677) used greatest stack depth: 11952 bytes left
[  674.736122] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left