Our HA is HASSIO on a RPi 3, the router is a FritzBox 7560.
We still have issues with the UPnP after a reboot.
Half of the time the sensor is shown as:
sensor.fritz_box_7560_packets_sec_received
After a reboot.
The other half it’s shown as:
sensor.internetgatewaydevicev2_fritz_box_7560_kbyte_sec_received