[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/cli/src/main/java/org/onosproject/cli/net/TunnelBorrowCommand.java b/cli/src/main/java/org/onosproject/cli/net/TunnelBorrowCommand.java
index 1815432..8d30733 100644
--- a/cli/src/main/java/org/onosproject/cli/net/TunnelBorrowCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/TunnelBorrowCommand.java
@@ -19,9 +19,10 @@
 import java.util.HashSet;
 import java.util.Optional;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.action.Option;
 import org.onlab.packet.IpAddress;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.core.ApplicationId;
@@ -42,6 +43,7 @@
 /**
  * Borrows tunnels. It's used by consumers.
  */
+@Service
 @Command(scope = "onos", name = "tunnel-borrow", description = "Borrows tunnels. It's used by consumers.")
 public class TunnelBorrowCommand extends AbstractShellCommand {
 
@@ -77,7 +79,7 @@
             + "groupId=%s";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         Collection<Tunnel> tunnelSet = null;
         Tunnel.Type trueType = null;
         TunnelService service = get(TunnelService.class);