[    2.836465] ip (292) used greatest stack depth: 12272 bytes left
[   68.098319] netem: version 1.3
[  113.616158] ip (3445) used greatest stack depth: 12240 bytes left
[  627.146096] tc (15594) used greatest stack depth: 11896 bytes left
[  692.848025] pm_nl_ctl (18733) used greatest stack depth: 11880 bytes left