I installed libvirt on CentOS 6 today, only to find I could create the volume, create the VM, but could not assign the interface to a distributed port group. I then downloaded the latest source, compiled, and it looks to be the same...unless its under a command I'm not recognizing?

Does anybody have the great tip that is going to set me free? I hope?

Everything we use is on the vSwitches, as we run 60-80 VLAN's to each cluster member.
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Thanks,