After running an update on my Qubes 4.1 system today and rebooting, I now have no network access from anything except in sys-net. In sys-firewall I can’t ping anything and of course DNS lookup doesn’t work either. Of course all other VMs because they use sys-firewall for networking don’t work either. sys-net is pointing at nothing for networking, and sys-firewall is pointing at sys-net. There is a yellow exclamation point for some reason. It says sys-firewall is the default networking, but that of course would cause a loop.
I updated both fedora-34 and dom0. The kernel was updated. I tried setting to the previous kernel but that didn’t solve the problem. I used the qvm-prefs command to make sure that sys-firewall was set to use sys-net for networking but that didn’t make a difference.
Again, this is using fedora-34, not debian (I know there was a network issue reported with the debian template at one point).
It is definitely not a problem with by ISP as my phone, running Ubuntu on a live USB (which I am using to write this topic) and sys-net (on Qubes) work.
Thanks for any help you can provide.