[    1.584543] ip (254) used greatest stack depth: 12168 bytes left
[   10.377089] ip (1220) used greatest stack depth: 12120 bytes left
[   50.672998] netem: version 1.3
[  550.804870] tc (16938) used greatest stack depth: 11896 bytes left
[  610.906965] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left