ovirt-node-ng iso build relies on genisoimage The package is not available in CentOS Stream 9 and is removed in favor of xsorriso.
This bugzilla is included in oVirt 4.5.0 release, published on April 20th 2022. Since the problem described in this bug report should be resolved in oVirt 4.5.0 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.