diff --git a/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleFlowRuleStore.java b/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleFlowRuleStore.java
index 286e6e0..d41b58b 100644
--- a/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleFlowRuleStore.java
+++ b/core/trivial/src/main/java/org/onlab/onos/net/trivial/impl/SimpleFlowRuleStore.java
@@ -3,23 +3,43 @@
 import com.google.common.collect.HashMultimap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Multimap;
+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.Service;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.flow.DefaultFlowRule;
 import org.onlab.onos.net.flow.FlowRule;
 import org.onlab.onos.net.flow.FlowRuleEvent;
 import org.onlab.onos.net.flow.FlowRuleStore;
+import org.slf4j.Logger;
 
 import static org.onlab.onos.net.flow.FlowRuleEvent.Type.RULE_ADDED;
 import static org.onlab.onos.net.flow.FlowRuleEvent.Type.RULE_REMOVED;
+import static org.slf4j.LoggerFactory.getLogger;
 
 /**
  * Manages inventory of flow rules using trivial in-memory implementation.
  */
+@Component(immediate = true)
+@Service
 public class SimpleFlowRuleStore implements FlowRuleStore {
 
+    private final Logger log = getLogger(getClass());
+
     // store entries as a pile of rules, no info about device tables
     private final Multimap<DeviceId, FlowRule> flowEntries = HashMultimap.create();
 
+    @Activate
+    public void activate() {
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
     @Override
     public Iterable<FlowRule> getFlowEntries(DeviceId deviceId) {
         return ImmutableSet.copyOf(flowEntries.get(deviceId));