[  337.589096][ T3079] netem: version 1.3
[  551.641586][ T4239] ip (4239) used greatest stack depth: 23424 bytes left
[ 1018.501727][ T7099] ip (7099) used greatest stack depth: 23072 bytes left
[ 2512.235245][T20250] pm_nl_ctl (20250) used greatest stack depth: 22848 bytes left