Since release of ovirt 4.4 the default backend for network operations is nmstate and network-scripts are deprecated.
*** Bug 1853328 has been marked as a duplicate of this bug. ***
Fixed in vdsm-v4.40.31
vdsm-4.40.31-1.el8ev.x86_64 shipped in 4.4.3-6 This can be closed as current release.
oVirty 4.4.3 has not been released yet
This bugzilla is included in oVirt 4.4.3 release, published on November 10th 2020. Since the problem described in this bug report should be resolved in oVirt 4.4.3 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.