[    1.478701] ip (241) used greatest stack depth: 11960 bytes left
[   28.594561] ip (2243) used greatest stack depth: 11952 bytes left
[   51.201413] netem: version 1.3
[   69.548872] ip (4665) used greatest stack depth: 11936 bytes left
[  565.768310] pm_nl_ctl (24825) used greatest stack depth: 11856 bytes left