[    1.549164] ip (253) used greatest stack depth: 12248 bytes left
[    1.842821] ip (285) used greatest stack depth: 12200 bytes left
[   48.667943] netem: version 1.3
[  563.713760] tc (15677) used greatest stack depth: 11952 bytes left
[  621.255804] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left