Comment # 1 on bug 1228373 from Claudio Fontana

note: this is fixed by downgrading supermin to the version prior to the latest
update in July, as follows:

# zypper install -f supermin-5.3.3-3.1.x86_64.rpm

# virt-inspector --verbose --no-applications --no-icon
/153-RAID0/datastore2/centos9/centos9.vmdk

supermin: version: 5.3.3
supermin: rpm: detected RPM version 4.19
supermin: rpm: detected RPM architecture x86_64
supermin: rpm: detected zypper version 1.14.76
supermin: package handler: opensuse/rpm
supermin: acquiring lock on /var/tmp/.guestfs-0/lock
supermin: build: /usr/lib64/guestfs/supermin.d
supermin: reading the supermin appliance
[...]