relative JSON path (i.e. with array notation) scoped to the location of this x-kubernetes-validations extension in the schema and refer to an existing field. e.g. when validation checks if a specific attribute `foo` under a map `testMap`, the fieldPath could be set to `.testMap.foo` If the validation checks two lists must have unique attributes, the fieldPath could be set to either of the list: e.g. `.testList` It does not support list numeric index. It supports child operation to refer to an existing...

* MountPath should be absolute ([#48815](https://github.com/kubernetes/kubernetes/pull/48815), [@dixudx](https://github.com/dixudx))
* Updated comments of func in testapi. ([#48407](https://github.com/kubernetes/kubernetes/pull/48407), [@k82cn](https://github.com/k82cn))