[    2.089630] ip (182) used greatest stack depth: 12296 bytes left
[   50.110931] netem: version 1.3
[   58.075223] ip (4408) used greatest stack depth: 12256 bytes left
[   66.351934] ip (4612) used greatest stack depth: 12056 bytes left
[   66.419170] ip (4639) used greatest stack depth: 12016 bytes left
[  534.798855] pm_nl_ctl (24839) used greatest stack depth: 11864 bytes left