[  134.920597][ T4304] netem: version 1.3
[  144.183604][ T4464] ip (4464) used greatest stack depth: 24112 bytes left
[  241.214675][ T5722] ip (5722) used greatest stack depth: 23864 bytes left
[  740.569545][T14618] ip (14618) used greatest stack depth: 23512 bytes left
[ 1065.675171][T24621] pm_nl_ctl (24621) used greatest stack depth: 22920 bytes left