[    1.933543] ip (284) used greatest stack depth: 12248 bytes left
[   49.059909] netem: version 1.3
[  356.124137] ip (7858) used greatest stack depth: 12232 bytes left
[  605.612819] tc (21250) used greatest stack depth: 11952 bytes left
[  667.267416] pm_nl_ctl (24393) used greatest stack depth: 11872 bytes left