[idokevoli]

From: /storage/.kodi/temp/kodi.log

2019-02-22 16:35:27.431 T:1808769904   ERROR: Previous line repeats 1767 times.
2019-02-22 16:35:27.431 T:1808769904   DEBUG: Thread JobWorker start, auto delete: true
2019-02-22 16:35:27.574 T:1596093296   ERROR: EXCEPTION: XBMC is not playing any file
2019-02-22 16:35:57.432 T:1808769904   ERROR: Previous line repeats 29 times.
2019-02-22 16:35:57.432 T:1808769904   DEBUG: Thread JobWorker 1808769904 terminating (autodelete)
2019-02-22 16:35:57.605 T:1596093296   ERROR: EXCEPTION: XBMC is not playing any file

2019-02-22 19:35:27.602 T:1808769904   ERROR: Previous line repeats 1767 times.
2019-02-22 19:35:27.603 T:1808769904   DEBUG: Thread JobWorker start, auto delete: true
2019-02-22 19:35:27.912 T:1596093296   ERROR: EXCEPTION: XBMC is not playing any file
2019-02-22 19:35:57.604 T:1808769904   ERROR: Previous line repeats 29 times.
2019-02-22 19:35:57.604 T:1808769904   DEBUG: Thread JobWorker 1808769904 terminating (autodelete)
2019-02-22 19:35:57.946 T:1596093296   ERROR: EXCEPTION: XBMC is not playing any file

And still the same disconnected, connected in UniFi alert (log). The units name can't be copied.

RaspberryPi3 has connected to LAN 16:43:31 2019-02-22
RaspberryPi3 disconnected from "LAN" (8m connected, 0 B) 16:34:40 2019-02-22
RaspberryPi3 has connected to LAN 16:26:29 2019-02-22

RaspberryPi3 has connected to LAN 19:34:42 2019-02-22
RaspberryPi3 disconnected from "LAN" (7m connected, 0 B) 19:24:47 2019-02-22

What is the Thread JobWorker? I can find it five year old threads about it. If you need the complete log from Raspberry Pi3, I'll upload it to pastebin as soon as I see your request.