[  143.741521][ T4307] netem: version 1.3
[  571.834694][ T9879] ip (9879) used greatest stack depth: 23600 bytes left
[  585.316606][T10228] ip (10228) used greatest stack depth: 23392 bytes left
[  906.657771][T19367] ip (19367) used greatest stack depth: 23344 bytes left
[ 1120.658674][T24768] pm_nl_ctl (24768) used greatest stack depth: 22912 bytes left