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##### SUMMARY
The documentation states the instance uuid is required for the uuid parameter but the hw product uuid is used instead. 

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
vmware_guest_network

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
ansible 2.9.0rc1.post0
  config file = None
  configured module search path = ['/home/pernst/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.6/site-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 3.6.8 (default, Aug  7 2019, 17:28:10) [GCC 4.8.5 20150623 (Red Hat 4.8.5-39)]
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml
- name: Configure virtual network cards
  vmware_guest_network:
    hostname: "{{ vsphere_host }}"
    username: "{{ vsphere_user }}"
    password: "{{ vsphere_pass }}"
    validate_certs: "{{ vsphere_validate_certs | default(true) }}"
    datacenter: "{{ vsphere_target_dc }}"
    uuid: "{{ vm_facts.instance.instance_uuid }}"
  register: vm_networks
  delegate_to: localhost
```

<!--- HINT: You can paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->


##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```paste below
FAILED! => {"changed": false, "msg": "Unable to find the specified virtual machine using <UUID>
```

P.S.:  I suggest the same uuid handling as in vmware_guest with an additional use_instance_uuid parameter.

for nic_device in nic_devices:
                        nic_spec = vim.vm.device.VirtualDeviceSpec()
                        if network['state'].lower() == 'present':
                            nic_spec.operation = vim.vm.device.VirtualDeviceSpec.Operation.edit
                            nic_spec.device = nic_device
                            if 'start_connected' in network and nic_device.connectable.startConnected != network['start_connected']:
                                nic_device.connectable.startConnected = network['start_connected']
                                self.change_detected = True
                            if 'connected' in network and nic_device.connectable.connected != network['connected']:
                                nic_device.connectable.connected = network['connected']
                                self.change_detected = True
                            if 'name' in network and nic_device.deviceInfo.summary != network['name']:
                                nic_device.deviceInfo.summary = network['name']
                                self.change_detected = True
                            if 'manual_mac' in network and nic_device.macAddress != network['manual_mac']:
                                if vm_obj.runtime.powerState != vim.VirtualMachinePowerState.poweredOff:
                                    self.module.fail_json(msg='Expected power state is poweredOff to reconfigure MAC address')
                                nic_device.addressType = 'manual'
                                nic_device.macAddress = network['manual_mac']
                                self.change_detected = True
                            if self.change_detected:
                                self.config_spec.deviceChange.append(nic_spec)
                        elif network['state'].lower() == 'absent':
                            nic_spec.operation = vim.vm.device.VirtualDeviceSpec.Operation.remove
                            nic_spec.device = nic_device
                            self.change_detected = True
                            self.config_spec.deviceChange.append(nic_spec)
                else:
                    self.module.fail_json(msg='Unable to find the specified network adapter: %s' % network)
    def reconfigure_vm_network(self, vm_obj):