[    1.637956] sysctl (254) used greatest stack depth: 12736 bytes left
[    1.679260] sysctl (258) used greatest stack depth: 12704 bytes left
[    1.767587] ip (265) used greatest stack depth: 12368 bytes left
[    2.005788] ip (293) used greatest stack depth: 12192 bytes left
[    2.758437] ip (384) used greatest stack depth: 12144 bytes left
[   51.341670] netem: version 1.3
[  553.765011] tc (16940) used greatest stack depth: 11896 bytes left
[  610.565294] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left