[ONOS-6549] (vNet) Balance role commands for virtual netwrok

Change-Id: Iadf22cd735bed0b055ada5542be8b1d2edb8188e
diff --git a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 2d0d048..d718406 100644
--- a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -883,6 +883,13 @@
             </optional-completers>
         </command>
         <command>
+            <action class="org.onosproject.cli.net.vnet.VirtualNetworkBalanceMastersCommand"/>
+            <completers>
+                <ref component-id="virtualNetworkCompleter"/>
+                <null/>
+            </completers>
+        </command>
+        <command>
             <action class="org.onosproject.cli.net.DpisListCommand"/>
         </command>