check the network,Local site be the preferred one

Author: Stellar1999

dubbo-common/src/main/java/org/apache/dubbo/common/utils/NetUtils.java

@@ -544,6 +544,7 @@ public static NetworkInterface findNetworkInterface() {
             }
         }
 
+
         if (result == null) { // If not found, try to get the first one
             for (NetworkInterface networkInterface : validNetworkInterfaces) {
                 Enumeration<InetAddress> addresses = networkInterface.getInetAddresses();
@@ -552,7 +553,11 @@ public static NetworkInterface findNetworkInterface() {
                     if (addressOp.isPresent()) {
                         try {
                             if (addressOp.get().isReachable(100)) {
-                                return networkInterface;
+                                if (addressOp.get().isSiteLocalAddress()) {
+                                    return networkInterface;
+                                } else {
+                                    result = networkInterface;
+                                }
                             }
                         } catch (IOException e) {
                             // ignore