Re: After an update, VM's no longer have Internet access

[Ed Greshko]

On 1/29/19 7:02 PM, Patrick O'Callaghan wrote:
> OK, first of all the Fedora guest doesn't have libvirt.service enabled,
> maybe because it was installed with no DE.
>
> Secondly, I did the following:
> Verified that the Windows guest was still working.
> Started the Fedora guest.
> Both guests worked for a few minutes, then both failed.
> Shut down the Fedora guest. Windows guest still failing.
> Rebooted the Windows guest (from the virt-manager menu). Still
>
> failing.
> 6) Shut down the Windows guest and restarted it. It's now working.
>
> I think this is a strong indication that the problem is with libvirt
> itself.

I didn't have a Win10 guest.  So, I installed.  And tested with a Fedora Guest.  Both are
still working just fine after

[egreshko@f29g ~]$ uptime
 20:16:43 up 33 min,  2 users,  load average: 0.07, 0.02, 0.00

How about putting your libvirt interfaces in their own FW zone with just the basics?