Good Day Community,
3rd post for me and this I why I will quickly repeat myself. Thanks to all of you for developing, supporting, pushing and contributing to such a great of product!
I did read how to help us help you and I am trying to follow.
My goal is to use a Gigaset G-Tag on my Keychain as a Devicetracker.
I do run hass.io on a Qnap as a VM on Ubuntu 18.04. (installed according to official recommendation)
I am able to see the Gigaset in Ubuntu but it will not show up in Hass.io
I tried with my Phone and it works on Ubuntu and Hass.io.
I tried to change the values in knowdevices as a potential workaround but did not succeed.
What are the next steps I could do and which logs exactly should I post?
I would try a HA VENV install if you have Python 3.7+ on Ubuntu and see if your device tracker works then.
I tried to understand by searching on the forum but honestly I did not really figure out what you mean. Do you want me to setup a new environment?
Sorry my last post did use a lot of jargon.
I recommend you try this install method:
It says it’s for Raspbian but it should work OK under Ubuntu.
You just need to check which version of Python you have installed before have.
Run python3 -V from the terminal in order to find what version you are running 
Looking at https://www.home-assistant.io/docs/installation/
I feel it is much more complex then the Hassio.io I am running now.
If that is only way to get more calrity and possible also help others of why this is not working I am fine, but would highly appreciate another method.
Nevertheless I could not stop myself from trying and ended up here:
2019-11-03 07:21:22 INFO (MainThread) [homeassistant.setup] Setting up api
2019-11-03 07:21:22 INFO (MainThread) [homeassistant.setup] Setting up binary_sensor
2019-11-03 07:21:22 INFO (MainThread) [homeassistant.setup] Setup of domain binary_sensor took 0.0 seconds.
2019-11-03 07:21:22 INFO (MainThread) [homeassistant.setup] Setup of domain person took 0.4 seconds.
2019-11-03 07:21:22 INFO (MainThread) [homeassistant.setup] Setting up tts
2019-11-03 07:21:22 INFO (MainThread) [homeassistant.setup] Setting up onboarding
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setting up cloud
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setting up device_automation
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain device_automation took 0.0 seconds.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.components.binary_sensor] Setting up binary_sensor.updater
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain api took 1.2 seconds.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setting up automation
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain automation took 0.0 seconds.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setting up zeroconf
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain tts took 1.2 seconds.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain cloud took 0.1 seconds.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain onboarding took 1.2 seconds.
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Setup failed for mobile_app: Unable to import component
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of frontend. Setup failed for dependencies: lovelace
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Setup failed for frontend: Could not set up all dependencies.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.setup] Setup of domain zeroconf took 0.1 seconds.
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of logbook. Setup failed for dependencies: frontend
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Setup failed for logbook: Could not set up all dependencies.
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of map. Setup failed for dependencies: frontend
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Setup failed for map: Could not set up all dependencies.
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of default_config. Setup failed for dependencies: config, frontend, history, logbook, map, mobile_app
2019-11-03 07:21:24 ERROR (MainThread) [homeassistant.setup] Setup failed for default_config: Could not set up all dependencies.
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.bootstrap] Home Assistant initialized in 3.71s
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.core] Starting Home Assistant
2019-11-03 07:21:24 INFO (SyncWorker_8) [homeassistant.components.zeroconf] Starting Zeroconf broadcast
2019-11-03 07:21:24 INFO (MainThread) [homeassistant.core] Timer:starting
Well there are a few errors there but it looks like HA is starting OK.
I would remove the default config, and just try a minimal config and then try adding your Gigaset G-Tag to the device tracker and see if it works.
Tried a couple of things, and the machine is not even getting an IP any more. Any other ways to tackle this problem?
Can you clarify what this means please?