diff --git a/core/api/src/main/java/org/onosproject/net/device/DefaultDeviceDescription.java b/core/api/src/main/java/org/onosproject/net/device/DefaultDeviceDescription.java
index a331f69..eb5f16a 100644
--- a/core/api/src/main/java/org/onosproject/net/device/DefaultDeviceDescription.java
+++ b/core/api/src/main/java/org/onosproject/net/device/DefaultDeviceDescription.java
@@ -212,6 +212,7 @@
                 .add("uri", uri).add("type", type).add("mfr", manufacturer)
                 .add("hw", hwVersion).add("sw", swVersion)
                 .add("serial", serialNumber)
+                .add("chassisId", chassisId)
                 .add("annotations", annotations())
                 .toString();
     }
diff --git a/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/DeviceDiscoveryJuniperImpl.java b/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/DeviceDiscoveryJuniperImpl.java
index c60c448..3c254c5 100644
--- a/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/DeviceDiscoveryJuniperImpl.java
+++ b/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/DeviceDiscoveryJuniperImpl.java
@@ -55,10 +55,10 @@
         NetconfController controller = checkNotNull(handler().get(NetconfController.class));
         NetconfSession session = controller.getDevicesMap().get(devId).getSession();
         String sysInfo;
-        String chassis;
+        String chassisMacAddresses;
         try {
             sysInfo = session.get(requestBuilder(REQ_SYS_INFO));
-            chassis = session.get(requestBuilder(REQ_MAC_ADD_INFO));
+            chassisMacAddresses = session.get(requestBuilder(REQ_MAC_ADD_INFO));
         } catch (NetconfException e) {
             log.warn("Failed to retrieve device details for {}", devId);
             return null;
@@ -66,8 +66,8 @@
         log.trace("Device {} system-information {}", devId, sysInfo);
         DeviceDescription description =
                 JuniperUtils.parseJuniperDescription(devId,
-                                                     loadXmlString(sysInfo),
-                                                     chassis);
+                        loadXmlString(sysInfo),
+                        chassisMacAddresses);
         log.debug("Device {} description {}", devId, description);
         return description;
     }
@@ -81,7 +81,7 @@
         try {
             reply = session.get(requestBuilder(REQ_IF_INFO));
         } catch (NetconfException e) {
-            log.warn("Failed to retrieve ports for device {}", devId);
+            log.warn("Failed to retrieve interface-information for device {}", devId);
             return ImmutableList.of();
         }
         log.trace("Device {} interface-information {}", devId, reply);
diff --git a/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/LinkDiscoveryJuniperImpl.java b/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/LinkDiscoveryJuniperImpl.java
index ebb683c..bdb8883 100644
--- a/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/LinkDiscoveryJuniperImpl.java
+++ b/drivers/juniper/src/main/java/org/onosproject/drivers/juniper/LinkDiscoveryJuniperImpl.java
@@ -68,7 +68,7 @@
         try {
             reply = session.get(requestBuilder(REQ_LLDP_NBR_INFO));
         } catch (NetconfException e) {
-            log.warn("Failed to retrieve ports for device {}", localDeviceId);
+            log.warn("Failed to retrieve lldp-neighbors-information for device {}", localDeviceId);
             return ImmutableSet.of();
         }
         log.debug("Reply from device {} : {}", localDeviceId, reply);
@@ -101,8 +101,8 @@
                     input -> input.chassisId().equals(linkAbs.remoteChassisId));
 
             if (!dev.isPresent()) {
-                log.warn("Device with chassis ID {} does not exist",
-                         linkAbs.remoteChassisId);
+                log.warn("Device with chassis ID {} does not exist. Referenced by {}/{}",
+                         linkAbs.remoteChassisId, localDeviceId, linkAbs);
                 continue;
             }
             Device remoteDevice = dev.get();
@@ -132,7 +132,8 @@
                         return false;
                     }).findAny();
             if (!remotePort.isPresent()) {
-                log.warn("Port Index and Port Id and Port description do not exist in device {}", remoteDevice.id());
+                log.warn("Port does not exist in remote device {}. Referenced by {}/{}",
+                        remoteDevice.id(), localDeviceId, linkAbs);
                 continue;
             }
 
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfSessionMinaImpl.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfSessionMinaImpl.java
index 2d082e0..0a9f1aa 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfSessionMinaImpl.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfSessionMinaImpl.java
@@ -475,7 +475,7 @@
                 cleanUp();
                 startConnection();
             } else if (session.isClosed() || session.isClosing()) {
-                log.debug("Trying to restart the session with {}", session, deviceInfo.getDeviceId());
+                log.debug("Trying to restart the session {} with {}", session, deviceInfo.getDeviceId());
                 cleanUp();
                 startSession();
             } else if (channel.isClosed() || channel.isClosing()) {
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 d09a352..0d94c87 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
@@ -478,7 +478,7 @@
                 //getting the device description
                 DeviceDescription deviceDescription = getDeviceDescription(deviceId, config);
                 //connecting device to ONOS
-                log.debug("Connected NETCONF device {}, on {}:{} with username {}",
+                log.debug("Connected NETCONF device {}, on {}:{} {} with username {}",
                         deviceId, config.ip(), config.port(),
                         (config.path().isPresent() ? "/" + config.path().get() : ""),
                         config.username());