[ONOS-6810] Implement Mastership handling in general DeviceProvider

Change-Id: I14b706d364cf5124da248230fbcda65d0bd284ce
diff --git a/drivers/p4runtime/src/main/java/org/onosproject/drivers/p4runtime/P4RuntimeHandshaker.java b/drivers/p4runtime/src/main/java/org/onosproject/drivers/p4runtime/P4RuntimeHandshaker.java
index 7e41a99..f49ad18 100644
--- a/drivers/p4runtime/src/main/java/org/onosproject/drivers/p4runtime/P4RuntimeHandshaker.java
+++ b/drivers/p4runtime/src/main/java/org/onosproject/drivers/p4runtime/P4RuntimeHandshaker.java
@@ -66,7 +66,7 @@
 
         client = controller.getClient(deviceId);
         if (client == null || !controller.isReacheable(deviceId)) {
-            result.complete(MastershipRole.STANDBY);
+            result.complete(MastershipRole.NONE);
             return result;
         }
         if (newRole.equals(MastershipRole.MASTER)) {