netconf protocol changes for karaf 4.2.1 CLI

Change-Id: Ica9b614c4ef4f8264df13bd119531bb7806c290b
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java
index ba6f2f8..c99e11e 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/cli/impl/NetconfGetCommand.java
@@ -22,9 +22,11 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Completion;
 import org.apache.karaf.shell.api.action.Option;
 import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cli.net.DeviceIdCompleter;
 import org.onosproject.net.DeviceId;
 import org.onosproject.netconf.NetconfController;
 import org.onosproject.netconf.NetconfDevice;
@@ -43,6 +45,7 @@
 
     @Argument(index = 0, name = "deviceId", description = "Device ID",
             required = true, multiValued = false)
+    @Completion(DeviceIdCompleter.class)
     String uri = null;
 
     @Option(name = "--timeout",