I’M running Home-Assistant (supervised) on an RK3328 board with the Zigbee chip EFR32MG1B232F256GM32. My ZHA integration is failing with the following error.
Error doing job: Task was destroyed but it is pending!
8:55:14 AM – (ERROR) runner.py
Couldn't start EZSP = Silicon Labs EmberZNet protocol: Elelabs, HUSBZB-1, Telegesis coordinator
8:55:07 AM – (ERROR) Zigbee Home Automation - message first occurred at 8:53:35 AM and shows up 4 times
Couldn't start application
8:55:07 AM – (ERROR) /usr/local/lib/python3.9/site-packages/zigpy/application.py - message first occurred at 8:53:35 AM and shows up 4 times
Detected blocking call inside the event loop. This is causing stability issues. Please report issue for zha doing blocking calls at homeassistant/components/zha/core/gateway.py, line 152: self.application_controller = await app_controller_cls.new(
8:54:52 AM – (WARNING) util/async_.py - message first occurred at 8:53:20 AM and shows up 4 times
NCP entered failed state. Requesting APP controller restart
8:54:27 AM – (ERROR) /usr/local/lib/python3.9/site-packages/bellows/ezsp/_init_.py
Lost serial connection: device reports readiness to read but returned no data (device disconnected or multiple access on port?)
8:54:27 AM – (ERROR) /usr/local/lib/python3.9/site-packages/bellows/uart.py
Reset future is None
8:54:02 AM – (WARNING) /usr/local/lib/python3.9/site-packages/bellows/uart.py
Config entry 'USB Serial, s/n: n/a' for zha integration not ready yet; Retrying in background
8:53:35 AM – (WARNING) config_entries.py
Any help will be appreciated 
Thanks