[    2.087038] ip (183) used greatest stack depth: 12296 bytes left
[    2.146945] ip (206) used greatest stack depth: 12096 bytes left
[   16.881448] ip (1677) used greatest stack depth: 12056 bytes left
[   50.014888] netem: version 1.3
[   59.257702] ip (4443) used greatest stack depth: 12024 bytes left
[  550.180740] pm_nl_ctl (24830) used greatest stack depth: 11864 bytes left