diff --git a/protocols/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceOutputEvent.java b/protocols/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceOutputEvent.java
index 2c4b4c5..66a3889 100644
--- a/protocols/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceOutputEvent.java
+++ b/protocols/netconf/api/src/main/java/org/onosproject/netconf/NetconfDeviceOutputEvent.java
@@ -18,6 +18,8 @@
 
 import org.onosproject.event.AbstractEvent;
 
+import com.google.common.base.MoreObjects;
+
 import java.util.Optional;
 
 /**
@@ -118,4 +120,13 @@
     public Optional<Integer> getMessageID() {
         return messageID;
     }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("messageID", messageID)
+                .add("deviceInfo", deviceInfo)
+                .add("messagePayload", messagePayload)
+                .toString();
+    }
 }
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/DefaultNetconfDevice.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/DefaultNetconfDevice.java
index a36f8d2..27c2654 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/DefaultNetconfDevice.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/DefaultNetconfDevice.java
@@ -41,7 +41,7 @@
 
     /**
      * Creates a new default NETCONF device with the information provided.
-     * The device gets created only if no exception is thrwn while connecting to
+     * The device gets created only if no exception is thrown while connecting to
      * it and establishing the NETCONF session.
      * @param deviceInfo information about the device to be created.
      * @throws NetconfException if there are problems in creating or establishing
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/NetconfStreamThread.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/NetconfStreamThread.java
index 4d713f6..81c6f6e 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/NetconfStreamThread.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/NetconfStreamThread.java
@@ -173,6 +173,7 @@
         abstract NetconfMessageState evaluateChar(char c);
     }
 
+    @Override
     public void run() {
         BufferedReader bufferReader = new BufferedReader(new InputStreamReader(in));
             try {
@@ -224,6 +225,7 @@
                                          netconfDeviceInfo, enableNotifications,
                                          getMsgId(deviceReply), deviceReply);
                                 if (enableNotifications) {
+                                    log.debug("dispatching to {} listeners", netconfDeviceEventListeners.size());
                                     final String finalDeviceReply = deviceReply;
                                     netconfDeviceEventListeners.forEach(
                                             listener -> listener.event(new NetconfDeviceOutputEvent(
@@ -259,16 +261,19 @@
         return Optional.empty();
     }
 
+    @Override
     public void addDeviceEventListener(NetconfDeviceOutputEventListener listener) {
         if (!netconfDeviceEventListeners.contains(listener)) {
             netconfDeviceEventListeners.add(listener);
         }
     }
 
+    @Override
     public void removeDeviceEventListener(NetconfDeviceOutputEventListener listener) {
         netconfDeviceEventListeners.remove(listener);
     }
 
+    @Override
     public void setEnableNotifications(boolean enableNotifications) {
         this.enableNotifications = enableNotifications;
     }
diff --git a/providers/netconf/alarm/src/main/java/org/onosproject/provider/netconf/alarm/NetconfAlarmProvider.java b/providers/netconf/alarm/src/main/java/org/onosproject/provider/netconf/alarm/NetconfAlarmProvider.java
index eb0ccb6..241eb8d 100644
--- a/providers/netconf/alarm/src/main/java/org/onosproject/provider/netconf/alarm/NetconfAlarmProvider.java
+++ b/providers/netconf/alarm/src/main/java/org/onosproject/provider/netconf/alarm/NetconfAlarmProvider.java
@@ -103,7 +103,7 @@
 
     @Override
     public void triggerProbe(DeviceId deviceId) {
-        log.debug("Alarm probe triggered with " + deviceId);
+        log.debug("Alarm probe triggered with {}", deviceId);
     }
 
     private void triggerProbe(DeviceId deviceId, Collection<Alarm> alarms) {
diff --git a/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java b/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
index 898273c..da988dc 100644
--- a/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
+++ b/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
@@ -264,7 +264,7 @@
         //test connection to device opening a socket to it.
         try {
             socket = new Socket(ip, port);
-            log.debug("rechability of {}, {}, {}", deviceId, socket.isConnected() && !socket.isClosed());
+            log.debug("rechability of {}, {}, {}", deviceId, socket.isConnected(), !socket.isClosed());
             return socket.isConnected() && !socket.isClosed();
         } catch (IOException e) {
             log.info("Device {} is not reachable", deviceId);