How to troubleshoot HAOS VM that isn't serving home assistant after upgrade

Hi,

I updated the host OS on my Ubuntu machine and since then had trouble starting the Home Assistant VM. I had to update the version of virtualbox to match the newer kernel. Prior to making this update I had been updating the home assistant software itself via the ‘settings’ area of the web interface, so it should be up to date (as of last week).

However since I got past this and was able to launch the HAOS VM, it has not served home assistant in the usual way; the browser interface is not responding and no switches/automations work as they normally would.

So my question is how can I check the HAOS VM for issues - is there a recommended way? Is it a ‘sealed’ configuration? Thanks for any thoughts you might have.

Virtualbox, so what do you see on the vm console?