looks like setting: enable_instance_metrics_collection to true makes the error msg away, looks like this is not a problem , although this error msg is not seens again, but the CPU time used always stays 0(Expected: should be Cumulative). so this issue can be linked to the following one : https://bugs.launchpad.net/ceilometer/+bug/1250336
looks like setting: enable_ instance_ metrics_ collection to true makes the error msg away, looks like this is not a problem , although this error msg is not seens again, but the CPU time used always stays 0(Expected: should be Cumulative). so this issue can be linked to the following one : /bugs.launchpad .net/ceilometer /+bug/1250336
https:/