##### SUMMARY
The following modules throw a `[WARNING]: Found internal 'results' key in module return, renamed to 'ansible_module_results'`:

* [ ]  `vmware_datastore_maintenancemode`
* [ ]  `vmware_host_kernel_manager`
* [ ]  `vmware_host_ntp`
* [ ]  `vmware_host_service_manager`
* [ ]  `vmware_tag`

I've generated the list like this:

`cd lib/ansible/modules/cloud/vmware/ && grep exit_json *.py | grep results= | cut -d ':' -f 1 | cut -d '.' -f 1`

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
vmware

##### ANSIBLE VERSION
`devel`
short_description: Place a datastore into maintenance mode
description:
    - This module can be used to manage maintenance mode of a datastore.
author:
- "Abhijeet Kasurde (@Akasurde)"
version_added: 2.6
notes:
    - Tested on vSphere 5.5, 6.0 and 6.5
requirements:
    - "python >= 2.6"
    - PyVmomi
options:
    datastore:
      description:
      - Name of datastore to manage.
      - If C(datastore_cluster) or C(cluster_name) are not set, this parameter is required.
      type: str
    datastore_cluster:
      description:
      - Name of the datastore cluster from all child datastores to be managed.
      - If C(datastore) or C(cluster_name) are not set, this parameter is required.
      type: str
    cluster_name:
      description:
      - Name of the cluster where datastore is connected to.
      - If multiple datastores are connected to the given cluster, then all datastores will be managed by C(state).
      - If C(datastore) or C(datastore_cluster) are not set, this parameter is required.
      type: str
    state:
      description: