Ran into this issue today…out of the blue when I wanted to update my zwave addon.
‘AddonManager.install’ blocked from execution, no host internet connection
Look everywhere. Tried nmcli g status. — ha network info – host internet = false. No way to get it back, …I am an IT guy so I know my way around linux and containers. However I am unable to wrap my head around the issue. Pings - DNS to external hosts work. Could this be a container DNS issue?