RHCOS images now come gzipped and the caching code in openshift/install needs to be updated to handle this before handing off to libvirt. This is blocking baremetal IPI and libvvirt installs. OpenStack was fixed in BZ#1770441.
Gzipped images are unpacked properly. Verified
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0062