[    2.704893] ip (278) used greatest stack depth: 12272 bytes left
[   63.865701] netem: version 1.3
[  404.006247] ip (7766) used greatest stack depth: 12112 bytes left
[  624.973248] tc (15598) used greatest stack depth: 11936 bytes left
[  689.780794] pm_nl_ctl (18737) used greatest stack depth: 11872 bytes left