diff --git a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/provisioning/IoTProvisioningManager.java b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/provisioning/IoTProvisioningManager.java
index 349296379..2f4d855e9 100644
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/provisioning/IoTProvisioningManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/provisioning/IoTProvisioningManager.java
@@ -122,7 +122,7 @@ public final class IoTProvisioningManager extends Manager {
         connection.addAsyncStanzaListener(new StanzaListener() {
             @Override
             public void processPacket(Stanza stanza) throws NotConnectedException, InterruptedException {
-                if (!isFromProvisioningService(stanza)) {
+                if (!isFromProvisioningService(stanza, true)) {
                     return;
                 }
 
@@ -152,7 +152,7 @@ public final class IoTProvisioningManager extends Manager {
                 final Friend friend = Friend.from(friendMessage);
                 final BareJid friendJid = friend.getFriend();
 
-                if (isFromProvisioningService(friendMessage)) {
+                if (isFromProvisioningService(friendMessage, false)) {
                     // We received a recommendation from a provisioning server.
                     // Notify the recommended friend that we will now accept his
                     // friendship requests.
@@ -178,6 +178,10 @@ public final class IoTProvisioningManager extends Manager {
                     // the bare 'from' JID should be equals to the JID of the
                     // recommended friend.
                     if (!bareFrom.equals(friendJid)) {
+                        LOGGER.log(Level.WARNING,
+                                        "Ignoring friendship recommendation " + friendMessage
+                                                        + " because it does not recommend itself, but "
+                                                        + friendJid + '.');
                         return;
                     }
 
@@ -191,7 +195,7 @@ public final class IoTProvisioningManager extends Manager {
                         new AbstractIqRequestHandler(ClearCache.ELEMENT, ClearCache.NAMESPACE, Type.set, Mode.async) {
                             @Override
                             public IQ handleIQRequest(IQ iqRequest) {
-                                if (!isFromProvisioningService(iqRequest)) {
+                                if (!isFromProvisioningService(iqRequest, true)) {
                                     return null;
                                 }
 
@@ -391,7 +395,7 @@ public final class IoTProvisioningManager extends Manager {
         return wasUnfriendedListeners.remove(wasUnfriendedListener);
     }
 
-    private boolean isFromProvisioningService(Stanza stanza) {
+    private boolean isFromProvisioningService(Stanza stanza, boolean log) {
         Jid provisioningServer;
         try {
             provisioningServer = getConfiguredProvisioningServer();
@@ -401,13 +405,18 @@ public final class IoTProvisioningManager extends Manager {
             return false;
         }
         if (provisioningServer == null) {
-            LOGGER.warning("Ignoring request '" + stanza
-                            + "' because no provisioning server configured.");
+            if (log) {
+                LOGGER.warning("Ignoring request '" + stanza
+                                + "' because no provisioning server configured.");
+            }
             return false;
         }
         if (!provisioningServer.equals(stanza.getFrom())) {
-            LOGGER.warning("Ignoring  request '" + stanza + "' because not from provising server '"
-                            + provisioningServer + "'.");
+            if (log) {
+                LOGGER.warning("Ignoring  request '" + stanza
+                                + "' because not from provising server '" + provisioningServer
+                                + "'.");
+            }
             return false;
         }
         return true;