allErrs := field.ErrorList{}
	if len(flocker.DatasetName) == 0 && len(flocker.DatasetUUID) == 0 {
		// TODO: consider adding a RequiredOneOf() error for this and similar cases
		allErrs = append(allErrs, field.Required(fldPath, "one of datasetName and datasetUUID is required"))
	}
	if len(flocker.DatasetName) != 0 && len(flocker.DatasetUUID) != 0 {