[    1.933999] ip (295) used greatest stack depth: 12248 bytes left
[   48.297733] netem: version 1.3
[  374.464462] ip (7554) used greatest stack depth: 12232 bytes left
[  574.249294] tc (15678) used greatest stack depth: 11952 bytes left
[  633.535888] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left