[  328.428406][ T3080] netem: version 1.3
[  500.540180][ T4039] ip (4039) used greatest stack depth: 23296 bytes left
[ 1972.976448][T15421] ip (15421) used greatest stack depth: 23136 bytes left
[ 2447.085312][T20250] pm_nl_ctl (20250) used greatest stack depth: 22848 bytes left