[  265.656932][ T2850] netem: version 1.3
[  299.435142][    C0] hrtimer: interrupt took 23918 ns
[  517.608106][ T4176] ip (4176) used greatest stack depth: 23424 bytes left
[ 1801.481200][T18823] pm_nl_ctl (18823) used greatest stack depth: 21744 bytes left