The IoT Hub Device ID must match the Gateway ID (e.g.
It must be entered in lowercase (the IoT Hub Device ID is case-sensitive).
When the Azure IoT Hub authentication type has been configured, ChirpStack Gateway
Bridge will use MQTT topics which are expected by Azure IoT Hub and will
ignore the MQTT topic configuration from the
devices/[GATEWAY_ID]/messages/events/up: uplink frame
devices/[GATEWAY_ID]/messages/events/stats: gateway statistics
devices/[GATEWAY_ID]/messages/events/ack: downlink frame acknowledgements (scheduling)
devices/[GATEWAY_ID]/messages/devicebound/down: scheduling downlink frame transmission
devices/[GATEWAY_ID]/messages/devicebound/config: gateway configuration