core: UPnP Router Sensor Not Working

The problem

UPnP Router Sensors Not Working. After installed the integration it able to auto detect my Linksys router and all the connection/speed sensor. But the sensor/entity are show "unavailable. Try restart router and HA also try remove and reconfigure integration also no luck. thanks

Environment

• Home Assistant Core release with the issue: 0.112.0
• Last working Home Assistant Core release (if known): Never Integrate before
• Operating environment (OS/Container/Supervised/Core): Hassio / Pi4
• Integration causing this issue: UPnP Integration
• Link to integration documentation on our website: https://www.home-assistant.io/integrations/upnp/

Problem-relevant configuration.yaml

Traceback/Error logs

Log Details (ERROR)
Logger: homeassistant.components.upnp
Source: components/upnp/device.py:131
Integration: UPnP (documentation, issues)
First occurred: 1:35:58 PM (281 occurrences)
Last logged: 3:55:28 PM

Unexpected error fetching DELTAZONE data: Error during async_call(), status: 500, body: <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <s:Body> <s:Fault> <faultcode>s:Client</faultcode> <faultstring>UPnPError</faultstring> <detail> <UPnPError xmlns="urn:schemas-upnp-org:control-1-0"> <errorCode>501</errorCode> <errorDescription>Action Failed</errorDescription> </UPnPError> </detail> </s:Fault> </s:Body> </s:Envelope>
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 136, in async_refresh
    self.data = await self._async_update_data()
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 124, in _async_update_data
    return await self.update_method()
  File "/usr/src/homeassistant/homeassistant/components/upnp/device.py", line 131, in async_get_traffic_data
    self._igd_device.async_get_total_packets_sent(),
  File "/usr/local/lib/python3.7/site-packages/async_upnp_client/profiles/igd.py", line 99, in async_get_total_bytes_sent
    result = await action.async_call()
  File "/usr/local/lib/python3.7/site-packages/async_upnp_client/client.py", line 520, in async_call
    (status_code, response_body))
async_upnp_client.client.UpnpError: Error during async_call(), status: 500, body: <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<s:Body>
<s:Fault>
<faultcode>s:Client</faultcode>
<faultstring>UPnPError</faultstring>
<detail>
<UPnPError xmlns="urn:schemas-upnp-org:control-1-0">
<errorCode>501</errorCode>
<errorDescription>Action Failed</errorDescription>
</UPnPError>
</detail>
</s:Fault>
</s:Body>
</s:Envelope>

Additional information