Upgrade apache-sshd to 2.4.0 to allow RSA-SHA256 and RSA-SHA512 public keys, which is required to connect to EL8 host with FIPS security hardening enabled
apache-sshd-2.4.0 has a bug which prevents using ssh-rsa-2, but it's already fixed on current master. New release 2.5.0, should come soon
This bugzilla is included in oVirt 4.4.1 release, published on July 8th 2020. Since the problem described in this bug report should be resolved in oVirt 4.4.1 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.