Description of problem:
Use nmstate for source routing instead of the direct iproute2 usage.
Verified on - vdsm-220.127.116.11-1.el8ev.x86_64 with:
This bugzilla is included in oVirt 4.4.8 release, published on August 19th 2021.
Since the problem described in this bug report should be resolved in oVirt 4.4.8 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.