[    1.685512] ip (254) used greatest stack depth: 12168 bytes left
[   51.282313] netem: version 1.3
[  271.412549] sched: DL replenish lagged too much
[  542.582392] ip (15892) used greatest stack depth: 11992 bytes left
[  571.653275] tc (16937) used greatest stack depth: 11880 bytes left
[  629.148772] pm_nl_ctl (20238) used greatest stack depth: 11872 bytes left