[   50.353131] netem: version 1.3
[  162.676398] sched: DL replenish lagged too much
[  288.895768] ip (5991) used greatest stack depth: 12120 bytes left
[  583.218135] tc (16938) used greatest stack depth: 11880 bytes left
[  642.245775] pm_nl_ctl (20240) used greatest stack depth: 11840 bytes left