[  248.511976][ T2850] netem: version 1.3
[  255.419458][ T2881] ip (2881) used greatest stack depth: 23952 bytes left
[ 1021.381422][  T444] kworker/3:2 (444) used greatest stack depth: 23856 bytes left
[ 1596.301837][T15673] tc (15673) used greatest stack depth: 23336 bytes left
[ 1795.938067][T18814] pm_nl_ctl (18814) used greatest stack depth: 22064 bytes left