[    1.746254] ip (259) used greatest stack depth: 12248 bytes left
[   51.575393] netem: version 1.3
[  377.551538] ip (7725) used greatest stack depth: 12200 bytes left
[  574.032740] tc (15677) used greatest stack depth: 11952 bytes left
[  632.644197] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left