[    1.800458] ip (285) used greatest stack depth: 12272 bytes left
[   48.392393] netem: version 1.3
[  493.540504] ip (12446) used greatest stack depth: 12240 bytes left
[  565.486694] tc (15676) used greatest stack depth: 11896 bytes left
[  623.128387] pm_nl_ctl (18820) used greatest stack depth: 11624 bytes left