[  139.401691][ T4307] netem: version 1.3
[  185.919433][ T4836] ip (4836) used greatest stack depth: 24016 bytes left
[  562.050490][T10167] awk (10167) used greatest stack depth: 23624 bytes left
[  740.499121][T14613] ip (14613) used greatest stack depth: 23376 bytes left
[ 1039.280310][T24760] pm_nl_ctl (24760) used greatest stack depth: 22784 bytes left