Why am I unable to persist the /etc/hosts file on my RHEV Hypervisor?

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Issue

Using the persist command to preserve an edited /etc/hosts file across reboots
After persisting the file, the file is still overwritten on boot

Environment

Red Hat Enterprise Virtualization 3.1
Red Hat Enterprise Virtualization Hypervisor release 6.4 (20130318.1.el6_4)

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