##### 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`
changed_state = True
                    if self.desired_policy:
                        if actual_service_policy != self.desired_policy:
                            if not self.module.check_mode:
                                host_service_system.UpdateServicePolicy(id=self.service_name,
                                                                        policy=self.desired_policy)
                            changed_state = True
                    host_service_state.append(changed_state)
                    self.results[host.name].update(changed=changed_state)
                except (vim.fault.InvalidState, vim.fault.NotFound,
                        vim.fault.HostConfigFault, vmodl.fault.InvalidArgument) as e:
                    self.results[host.name].update(changed=False,
                                                   error=to_native(e.msg))
        if any(host_service_state):
            changed = True
        self.module.exit_json(changed=changed, results=self.results)
    def check_service_state(self, host, service_name):
        host_service_system = host.configManager.serviceSystem
        if host_service_system:
            services = host_service_system.serviceInfo.service
            for service in services:
                if service.key == service_name:
                    return service.running, service.policy
        msg = "Failed to find '%s' service on host system '%s'" % (service_name, host.name)
        cluster_name = self.params.get('cluster_name', None)
        if cluster_name:
            msg += " located on cluster '%s'" % cluster_name
        msg += ", please check if you have specified a valid ESXi service name."
        self.module.fail_json(msg=msg)
def main():