[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/providers/bgp/route/src/main/java/org/onosproject/provider/bgp/route/impl/BgpRouteProvider.java b/providers/bgp/route/src/main/java/org/onosproject/provider/bgp/route/impl/BgpRouteProvider.java
index c7a9b10..2059e56 100644
--- a/providers/bgp/route/src/main/java/org/onosproject/provider/bgp/route/impl/BgpRouteProvider.java
+++ b/providers/bgp/route/src/main/java/org/onosproject/provider/bgp/route/impl/BgpRouteProvider.java
@@ -13,11 +13,11 @@
 
 package org.onosproject.provider.bgp.route.impl;
 
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onlab.packet.Ip4Address;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpPrefix;
@@ -76,10 +76,10 @@
             .getLogger(BgpRouteProvider.class);
 
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected BgpController controller;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected EvpnRouteAdminService evpnRouteAdminService;
 
     private final InternalEvpnRouteListener routeListener = new