[    1.532035] ip (254) used greatest stack depth: 12168 bytes left
[   52.298828] netem: version 1.3
[  485.066644] ip (12267) used greatest stack depth: 12120 bytes left
[  574.248803] tc (16940) used greatest stack depth: 11896 bytes left
[  662.532504] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left