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20cpus%3D%270-3%27%20memory%3D%27512000%27%2F%3E%0D%0A%20%20%20%20%20%20%3Ccell%20cpus%3D%274-7%27%20memory%3D%27512000%27%2F%3E%0D%0A%20%20%20%3C%2Fnuma%3E%0D%0A%3C%2Fcpu%3E
Another Example: the following examples allows user to add EHCI controller to VM
<controller type='usb'index='1' model='ehci'/>
User input URL encoded string:
%3Ccontroller%20type%3D%27usb%27index%3D%271%27%20model%3D%27ehci%27%2F%3E
Similar for this hypervisor, the primary configuration file of the guest VM is built by CloudStack, therefor, the additional metadata will also be parsed and append to the builder.
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