[    1.799511] ip (259) used greatest stack depth: 12144 bytes left
[    4.429226] ip (523) used greatest stack depth: 12096 bytes left
[   51.265982] netem: version 1.3
[  562.706571] ip (16221) used greatest stack depth: 12056 bytes left
[  635.162549] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left