Re: [libvirt] [PATCH] docs: describe new virtual switch configuration in network XML docs

This should have been done with the rest of the patch for virtual switch / network device abstraction.

+ A portgroup provides a method of easily putting guest + connections to the network into different classes, with each + class potentially having a different level/type of service. Each + network can have multiple portgroup elements (and one of those + can optionally be designated as the 'default' portgroup for the + network), and each portgroup has a name, as well as various + subelements associated with it. The currently supported + subelements are<code>&lt;bandwidth&gt;</code> + and<code>&lt;virtualport&gt;</code>, which are both fully + described in the domain XML documentation.