It looks like "..testing" repository is enabled on ISO-Image. The fresh installed CentOS-oVirt-4.5.repo looks like this: ********* # imgbased: set-enabled [centos-ovirt45] name = CentOS Stream $releasever - oVirt 4.5 mirrorlist = http://mirrorlist.centos.org/?release=$stream&arch=$basearch&repo=virt-ovirt-45 gpgcheck = 1 enabled = 1 module_hotfixes = 1 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Virtualization includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [centos-ovirt45-testing] name = CentOS Stream $releasever - oVirt 4.5 - Testing baseurl = https://buildlogs.centos.org/centos/$stream/virt/$basearch/ovirt-45/ gpgcheck = 0 enabled = 1 module_hotfixes = 1 includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [centos-ovirt45-debug] name = CentOS Stream $releasever - oVirt 4.5 - Debug baseurl = http://debuginfo.centos.org/centos/$stream/virt/$basearch/ gpgcheck = 1 enabled = 1 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Virtualization includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [centos-ovirt45-source] name = CentOS Stream $releasever - oVirt 4.5 - Source baseurl = https://vault.centos.org/centos/$stream/virt/Source/ovirt-45/ gpgcheck = 1 enabled = 1 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Virtualization includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [ovirt-45-centos-stream-openstack-yoga] name = CentOS Stream $releasever - oVirt 4.5 - OpenStack Yoga Repository mirrorlist = http://mirrorlist.centos.org/?release=$stream&arch=$basearch&repo=cloud-openstack-yoga gpgcheck = 1 gpgkey = https://www.centos.org/keys/RPM-GPG-KEY-CentOS-SIG-Cloud enabled = 1 module_hotfixes = 1 exclude = ansible ansible-test includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [ovirt-45-centos-stream-openstack-yoga-testing] name = CentOS Stream $releasever - oVirt 4.5 - OpenStack Yoga Repository - testing baseurl = https://buildlogs.centos.org/centos/$stream/cloud/$basearch/openstack-yoga/ gpgcheck = 0 enabled = 1 module_hotfixes = 1 exclude = ansible ansible-test includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [ovirt-45-upstream] name = oVirt upstream for CentOS Stream $releasever - oVirt 4.5 enabled = 1 mirrorlist = https://mirrorlist.ovirt.org/mirrorlist-ovirt-4.5-el$releasever gpgcheck = 1 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oVirt-4.5 fastestmirror = 1 includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options [ovirt-45-upstream-testing] name = oVirt upstream for CentOS Stream $releasever - oVirt 4.5 - testing enabled = 1 mirrorlist = https://mirrorlist.ovirt.org/mirrorlist-ovirt-4.5-pre-el$releasever gpgcheck = 1 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oVirt-4.5 fastestmirror = 1 includepkgs = ovirt-node-ng-image-update ovirt-node-ng-image ovirt-engine-appliance vdsm-hook-fcoe vdsm-hook-vhostmd vdsm-hook-openstacknet vdsm-hook-ethtool-options ********* on the ovirt-node: # dnf repolist Failed to set locale, defaulting to C.UTF-8 repo id repo name centos-ovirt45 CentOS Stream 8 - oVirt 4.5 centos-ovirt45-debug CentOS Stream 8 - oVirt 4.5 - Debug centos-ovirt45-source CentOS Stream 8 - oVirt 4.5 - Source centos-ovirt45-testing CentOS Stream 8 - oVirt 4.5 - Testing onn-appstream oVirt Node Optional packages from CentOS Stream 8 - AppStream onn-baseos oVirt Node Optional packages from CentOS Stream 8 - BaseOS ovirt-45-centos-stream-openstack-yoga CentOS Stream 8 - oVirt 4.5 - OpenStack Yoga Repository ovirt-45-centos-stream-openstack-yoga-testing CentOS Stream 8 - oVirt 4.5 - OpenStack Yoga Repository - testing ovirt-45-upstream oVirt upstream for CentOS Stream 8 - oVirt 4.5 ovirt-45-upstream-testing oVirt upstream for CentOS Stream 8 - oVirt 4.5 - testing ---------