Shellies looses contact to Shelly UNI, updates stop coming in

[Krillle]

I am using sbender9/signalk-shelly to read the status of my Shelly UNI in Signal K. This plugin uses node-shellies to connect to Shelly devices.

Setup: Signal K version 2.2.0 signalk-shelly version 1.15.0 Shelly UNI running latest firmware

Issue: shellies via Signal K looses contact to Shelly UNI over the time, no updates coming in

Description:

• Starting the Signal K Server (using shellies) the Shelly UNI is discovered and connected
• For the first minutes updates are coming in every 2 seconds
• After approximately 15 minutes the updates slow down to every 10 seconds
• After approximately 90 minutes the updates stop. No updates coming in at all
• After a restart of Signal K server the connection is restored and the cycle starts again

This behavior is 100% reproducible in my system. As there is no obvious reason in [sbender9/signalk-shelly] (https://github.com/sbender9/signalk-shelly), I assume the issue might reside in node-shellies.