[  268.986607][ T2852] netem: version 1.3
[ 1218.002791][   T66] kworker/3:1 (66) used greatest stack depth: 23904 bytes left
[ 1618.098991][T15673] tc (15673) used greatest stack depth: 23880 bytes left
[ 1829.746962][T18814] pm_nl_ctl (18814) used greatest stack depth: 21600 bytes left