*** Bug 1176048 has been marked as a duplicate of this bug. ***
Verified this bug on rhev-hypervisor6-6.6-20150114.0.el6ev(ovirt-node-plugin-vdsm-0.2.0-17.el6ev.noarch)
There is no unneeded double quotes into /etc/default/ovirt for MANAGED_BY key after rhevh installation.
RHEV 3.5.0 has been released. I am closing this bug, because it has been VERIFIED.