[  491.797310][ T2861] netem: version 1.3
[  607.827571][ T3326] ip (3326) used greatest stack depth: 23664 bytes left
[ 1401.496859][ T7294] ip (7294) used greatest stack depth: 23392 bytes left
[ 2823.495535][ T4936] kworker/1:1 (4936) used greatest stack depth: 22912 bytes left
[ 3007.207838][T18774] pm_nl_ctl (18774) used greatest stack depth: 22512 bytes left