[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/evpnopenflow/src/main/java/org/onosproject/evpnopenflow/rsc/cli/VpnPortListCommand.java b/apps/evpnopenflow/src/main/java/org/onosproject/evpnopenflow/rsc/cli/VpnPortListCommand.java
index 366ead5..fbf5447 100644
--- a/apps/evpnopenflow/src/main/java/org/onosproject/evpnopenflow/rsc/cli/VpnPortListCommand.java
+++ b/apps/evpnopenflow/src/main/java/org/onosproject/evpnopenflow/rsc/cli/VpnPortListCommand.java
@@ -16,7 +16,7 @@
 
 package org.onosproject.evpnopenflow.rsc.cli;
 
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.evpnopenflow.rsc.VpnPort;
 import org.onosproject.evpnopenflow.rsc.vpnport.VpnPortService;
@@ -33,7 +33,7 @@
 public class VpnPortListCommand extends AbstractShellCommand {
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         VpnPortService portService = get(VpnPortService.class);
         Collection<VpnPort> ports = portService.getPorts();
         ports.forEach(port -> {