Fix linux native bridge for SUSE in cloudutils (apache#6134)

* fix linux native bridge for SUSE

* apply suggestion

Author: mib1185

python/lib/cloudutils/serviceConfig.py

@@ -374,6 +374,9 @@ def addBridge(self, brName, dev):
         if self.syscfg.env.bridgeType == "openvswitch":
             if cfo.getEntry("IPADDR"):
                 cfo.rmEntry("IPADDR", cfo.getEntry("IPADDR"))
+        elif self.syscfg.env.bridgeType == "native":
+            # Bridge is linked to the dev in SUSE not the other way round
+            pass
         else:
             raise CloudInternalException("Unknown network.bridge.type %s" % self.syscfg.env.bridgeType)
         cfo.save()