Description of problem:
Each change in instance type > host > migration options dropbox will appear always as "allow manual and automatic migration" regardless to latest instance type configuration.
This issue is only a view issue, After rebooting VM, the host migration options is equal to what configured in instance type.

Version-Release number of selected component (if applicable):
rhevm-3.5.0-0.23.beta.el6ev.noarch
libvirt-1.1.1-29.el7_0.3.x86_64
sanlock-3.1.0-2.el7.x86_64
vdsm-4.16.8.1-4.el7ev.x86_64
qemu-kvm-rhev-1.5.3-60.el7_0.11.x86_64

How reproducible:
Consistently

Steps to Reproduce:
1. Create new instance type and set host > migration options to:
   "do not allow migration" and uncheck "use custom migration downtime" 
2. Create new VM, assign created instance type to it and run the VM.
3. Edit instance type migration options to:
   "Allow manual migration only", check "use custom migration downtime" and set 
   it to 2500.
4. Open edit VM window and navigate to host tab.

Actual results:
Migration option is "Allow manual and automatic migration"

Expected results:
Migration option should be "Allow manual migration only"

Additional info:
Rebooting the VM solve the incorrect display issue.
screenshot and logs attached (occurred at 2014-12-23 11:13:29,453)