Further system information:
oVirt installed packets:
$ rpm -qa '*ovirt*'
ovirt-engine-restapi-4.3.6.7-1.el7.noarch
ovirt-web-ui-1.6.0-1.el7.noarch
ovirt-vmconsole-proxy-1.0.7-2.el7.noarch
python2-ovirt-host-deploy-1.8.4-1.el7.noarch
ovirt-host-4.3.5-1.el7.x86_64
ovirt-engine-dwh-4.3.6-1.el7.noarch
cockpit-machines-ovirt-195.1-1.el7.centos.0.1.noarch
ovirt-ansible-repositories-1.1.5-1.el7.noarch
ovirt-ansible-roles-1.1.7-1.el7.noarch
python2-ovirt-engine-lib-4.3.7.2-1.el7.noarch
ovirt-provider-ovn-1.2.27-1.el7.noarch
ovirt-engine-setup-plugin-ovirt-engine-common-4.3.7.2-1.el7.noarch
ovirt-engine-setup-4.3.7.2-1.el7.noarch
ovirt-ansible-cluster-upgrade-1.1.14-1.el7.noarch
ovirt-cockpit-sso-0.1.1-1.el7.noarch
ovirt-engine-ui-extensions-1.0.10-1.el7.noarch
ovirt-engine-4.3.6.7-1.el7.noarch
ovirt-hosted-engine-setup-2.3.12-1.el7.noarch
ovirt-ansible-vm-infra-1.1.22-1.el7.noarch
ovirt-engine-setup-plugin-cinderlib-4.3.7.2-1.el7.noarch
python-ovirt-engine-sdk4-4.3.2-2.el7.x86_64
ovirt-release43-4.3.7-1.el7.noarch
python2-ovirt-setup-lib-1.2.0-1.el7.noarch
ovirt-engine-wildfly-overlay-17.0.1-1.el7.noarch
ovirt-imageio-proxy-1.5.2-0.el7.noarch
ovirt-engine-sdk-python-3.6.9.1-1.el7.noarch
ovirt-vmconsole-1.0.7-2.el7.noarch
ovirt-engine-wildfly-17.0.1-1.el7.x86_64
ovirt-ansible-image-template-1.1.12-1.el7.noarch
ovirt-ansible-manageiq-1.1.14-1.el7.noarch
ovirt-engine-tools-4.3.6.7-1.el7.noarch
ovirt-engine-dbscripts-4.3.6.7-1.el7.noarch
cockpit-ovirt-dashboard-0.13.8-1.el7.noarch
ovirt-engine-extension-aaa-ldap-1.3.10-1.el7.noarch
ovirt-engine-setup-plugin-ovirt-engine-4.3.7.2-1.el7.noarch
ovirt-host-deploy-java-1.8.4-1.el7.noarch
ovirt-hosted-engine-ha-2.3.6-1.el7.noarch
ovirt-engine-metrics-1.3.5.1-1.el7.noarch
ovirt-engine-extensions-api-impl-4.3.7.2-1.el7.noarch
ovirt-engine-dwh-setup-4.3.6-1.el7.noarch
ovirt-engine-api-explorer-0.0.5-1.el7.noarch
ovirt-host-deploy-common-1.8.4-1.el7.noarch
ovirt-engine-setup-plugin-vmconsole-proxy-helper-4.3.7.2-1.el7.noarch
ovirt-engine-vmconsole-proxy-helper-4.3.7.2-1.el7.noarch
ovirt-engine-tools-backup-4.3.6.7-1.el7.noarch
ovirt-ansible-engine-setup-1.1.9-1.el7.noarch
ovirt-ansible-shutdown-env-1.0.3-1.el7.noarch
ovirt-engine-webadmin-portal-4.3.6.7-1.el7.noarch
ovirt-imageio-daemon-1.5.2-0.el7.noarch
ovirt-vmconsole-host-1.0.7-2.el7.noarch
ovirt-engine-setup-plugin-websocket-proxy-4.3.7.2-1.el7.noarch
ovirt-host-dependencies-4.3.5-1.el7.x86_64
ovirt-ansible-hosted-engine-setup-1.0.32-1.el7.noarch
ovirt-imageio-proxy-setup-1.5.2-0.el7.noarch
ovirt-iso-uploader-4.3.2-1.el7.noarch
ovirt-ansible-disaster-recovery-1.2.0-1.el7.noarch
ovirt-engine-extension-aaa-jdbc-1.1.10-1.el7.noarch
ovirt-engine-backend-4.3.6.7-1.el7.noarch
ovirt-engine-extension-aaa-ldap-setup-1.3.10-1.el7.noarch
ovirt-imageio-common-1.5.2-0.el7.x86_64
ovirt-engine-cli-3.6.9.2-1.el7.noarch
ovirt-provider-ovn-driver-1.2.27-1.el7.noarch
ovirt-engine-setup-base-4.3.7.2-1.el7.noarch
ovirt-engine-websocket-proxy-4.3.7.2-1.el7.noarch
ovirt-ansible-infra-1.1.13-1.el7.noarch
Kernel Version:
$ uname -r
3.10.0-1062.4.3.el7.x86_64
RedHat Version:
$ cat /etc/redhat-release
CentOS Linux release 7.7.1908 (Core)