[   51.292907] netem: version 1.3
[  143.415498] sched: DL replenish lagged too much
[  459.846462] ip (11824) used greatest stack depth: 12120 bytes left
[  562.235523] tc (16938) used greatest stack depth: 11856 bytes left
[  620.545454] pm_nl_ctl (20240) used greatest stack depth: 11840 bytes left