Silverblue: virt-manager authentication

[alciregi (Alessio)]

@computersavvy

If that is the entire content of /etc/group then it is definitely different than on the normal (non-atomic) spins.

Yes it is.
Here a good explanation How does /etc/{passwd,group} relate to /usr/lib/{passwd,group} in Silverblue? - #2 by guiltydoggy