We've hit a problem that this is refused and new mac address is assigned instead. It breaks some mac-bound processes. Rewriting it in xml file works, nevertheless.
PR #2290
Metadata Update from @tkopecek: - Custom field Size adjusted to None
Commit 9887a4f4 fixes this issue
Commit bb0ea0d6 fixes this issue
Metadata Update from @tkopecek: - Issue set to the milestone: 1.22 (was: 1.23)
Metadata Update from @jcupova: - Issue tagged with: no_qe
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/2289
Please continue any further discussion there.