Skip VXLANs when rewriting the bridge name for migrations

Author: Aaron Brady

agent/bindir/libvirtqemuhook.in

@@ -26,6 +26,8 @@ def isOldStyleBridge(brName):
     else:
        return False
 def isNewStyleBridge(brName):
+    if brName.startswith('brvx-'):
+        return False
     if re.match(r"br(\w+)-(\d+)", brName) == None:
        return False
     else: