Re: [web-bluetooth] GATT operation in progress - how to handle it?

FYI, with BlueZ, I get the error below:

```js
characteristic.readValue();
characteristic2.startNotifications();
```
```
Uncaught (in promise) DOMException: GATT operation failed for unknown 
reason.

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Received on Friday, 21 October 2016 08:03:43 UTC