As a part of BZ1610798 we have included in 5.10 appliance oVirt Ansible roles, which were part of RHV 4.2.7. In the mean time these roles were updated as part of RHV 4.2.8, so we should include those updated roles also into appliance:
Verified. Packages are updated as per #6 in CFME 126.96.36.199.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.