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Description of problem:
Unapplied changes warning doesn't work for Connection Details

Version-Release number of selected component (if applicable):
virt-manager-0.9.0-18.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1.Launch virt-manager.
2.Make sure Edit->Preferences-> Feedback-> Unapplied changes is ticked.
3.Click Edit/Connection Details,choose one active storage,take default for example,make some changes for default pool,eg:change "Autostart On Boot" to "Autostart Never",don't click "Apply" button.
4.Switch to other pool,there is no confirmation box shows like when you update configuration of a guest:"There are unapplied changes.Would you like to apply them now?"

Actual results:
No confirmation box show for unapplied changes under Edit/Connection Details.

Expected results:
Confirmation box show for unapplied changes under Edit/Connection Details.

Additional info: 
All options under Edit/Connection Details have this issue:Virtual Networks,Storage,Network Interfaces.

it looks like a minor issue, I am going to close it as WONTFIX.

Why does it block 1047875?

because it was cloned from that, no other reason, I guess.  Closing this for RHEL6 is fine.