[    3.252680] ip (417) used greatest stack depth: 12248 bytes left
[   48.846605] netem: version 1.3
[  479.326344] ip (12311) used greatest stack depth: 12232 bytes left
[  553.038646] tc (15678) used greatest stack depth: 11952 bytes left
[  610.937789] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left