[  326.355965][ T3079] netem: version 1.3
[  637.081775][ T4685] ip (4685) used greatest stack depth: 23616 bytes left
[ 1477.196392][T10849] ip (10849) used greatest stack depth: 23448 bytes left
[ 2122.416744][T16537] ip (16537) used greatest stack depth: 23056 bytes left
[ 2459.284829][T20243] pm_nl_ctl (20243) used greatest stack depth: 22848 bytes left