[   50.522921] netem: version 1.3
[  136.340815] ip (4350) used greatest stack depth: 12120 bytes left
[  253.993378] sched: DL replenish lagged too much
[  546.684401] tc (16939) used greatest stack depth: 11880 bytes left
[  603.683771] pm_nl_ctl (20239) used greatest stack depth: 11840 bytes left