[  457.888155][ T2855] netem: version 1.3
[ 1222.426571][ T6791] pm_nl_ctl (6791) used greatest stack depth: 24128 bytes left
[ 2233.744573][    T8] kworker/0:0 (8) used greatest stack depth: 23440 bytes left
[ 2802.585628][T18767] pm_nl_ctl (18767) used greatest stack depth: 21920 bytes left