[    1.762840] ip (259) used greatest stack depth: 12168 bytes left
[    3.658563] ip (484) used greatest stack depth: 11928 bytes left
[   69.743077] netem: version 1.3
[  631.566356] tc (23603) used greatest stack depth: 11880 bytes left
[  694.366593] pm_nl_ctl (27733) used greatest stack depth: 11800 bytes left