Had this issue on 0.69.0 today. No Homebridge here, just node-red. It seems HA restarted afterwards.
I had it again today. Running 0.70. I woke up and HA wasn’t responding. Flooding the log with Too many open files errors.
The last thing that worked was updating my custom_components.sensor.ical component, then it failed trying to update homeassistant.components.vacuum.neato.
I have an Orbi router and am half wondering if that’s the cause somehow.
It seems like it goes down (for whatever reason) and then HA never recovers to the internet being down. @trimethia what happens if you turn off your modem for a few minutes? Does HA crash or recover gracefully?
Also I noticed this…
$ lsof
<snip> TCP 192.168.25.80:51827->192.168.25.52:63911 (CLOSE_WAIT)
<repeated 100+ times>
that ip is my iPhone (and my wife’s iPhone as in there too, even though she doesn’t have the HA app.