Verified the bug on the following version:
# cat /etc/rhev-hypervisor-release
Red Hat Enterprise Virtualization Hypervisor release 7.2 (20151029.0.el7ev)
# rpm -qa ovirt-node
ovirt-node-3.2.3-26.el7.noarch
Test Steps:
1. TUI clean installed rhevh 7.2 20151029
2. Login TUI
3. Setup network via dhcp
4. Add rhevh via rhevm 3.5.6.1-0.1.el6ev portal successful, and host is UP.
5. Maintenance the Host
6. Login RHEV-H TUI
7. reboot RHEV-H more than 6 times, did not encounter this error in bug description.
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.
https://rhn.redhat.com/errata/RHBA-2015-2526.html