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 fe5cda9..12325c3 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
@@ -418,12 +418,13 @@
 
     private void connectDevice(NetconfDeviceConfig config) {
         if (config == null) {
+            log.warn("connect device invoked with null config");
             return;
         }
         DeviceId deviceId = config.subject();
         if (!deviceId.uri().getScheme().equals(SCHEME_NAME)) {
             // not under my scheme, skipping
-            log.trace("{} not my scheme, skipping", deviceId);
+            log.debug("{} not of schema {}, skipping", deviceId, SCHEME_NAME);
             return;
         }
         if (!isReachable(deviceId)) {
@@ -438,6 +439,7 @@
         storeDeviceKey(config.sshKey(), config.username(), config.password(), deviceId);
         retriedPortDiscoveryMap.put(deviceId, new AtomicInteger(0));
         if (deviceService.getDevice(deviceId) == null) {
+            log.debug("device connected {}", deviceId);
             providerService.deviceConnected(deviceId, deviceDescription);
         }
     }
@@ -529,6 +531,7 @@
                     cfgService.getConfig(deviceId, NetconfDeviceConfig.class);
             DeviceDescription deviceDescription = createDeviceRepresentation(deviceId, config);
             storeDeviceKey(config.sshKey(), config.username(), config.password(), deviceId);
+            log.debug("check and update {}", deviceId);
             checkAndUpdateDevice(deviceId, deviceDescription, false);
         });
     }
@@ -683,6 +686,7 @@
                             device.manufacturer(), device.hwVersion(), device.swVersion(),
                             device.serialNumber(), device.chassisId(),
                             (SparseAnnotations) device.annotations());
+                    log.debug("check and update {}", deviceId);
                     checkAndUpdateDevice(deviceId, description, true);
                 } catch (Exception e) {
                     log.error("Unhandled exception checking {}", deviceId, e);