[    1.533738] ip (253) used greatest stack depth: 12304 bytes left
[    1.798323] ip (285) used greatest stack depth: 12272 bytes left
[   47.646023] netem: version 1.3
[  554.790102] ip (14833) used greatest stack depth: 12240 bytes left
[  577.445248] tc (15678) used greatest stack depth: 11952 bytes left
[  635.645416] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left