* there is a issue with the homekit addon overwriting the generated mac address on exit (I think). See https://github.com/openhab/openhab2-addons/issues/1822
** for now, after successful pairing, set /var/lib/openhab2/jsondb/homekit.json read only after successful pairing. May have to undo to re-create a new pairing
* after a reset of the openhab server, it may take quite some time for homekit to attempt a reconnect to the server. You can force a reconnect by putting the iPhone etc temporarily into and out of airplane mode. This forces homekit to reconnect