[    1.588797] ip (254) used greatest stack depth: 12248 bytes left
[    2.871802] ip (418) used greatest stack depth: 12200 bytes left
[   47.849488] netem: version 1.3
[  572.460725] tc (15677) used greatest stack depth: 11952 bytes left
[  631.062457] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left