[    2.055985] ip (294) used greatest stack depth: 12248 bytes left
[    4.263325] ip (534) used greatest stack depth: 11976 bytes left
[   49.724348] netem: version 1.3
[  637.440836] tc (21400) used greatest stack depth: 11952 bytes left
[  694.854926] pm_nl_ctl (24538) used greatest stack depth: 11872 bytes left