diff --git a/sjrpc/client/simple.py b/sjrpc/client/simple.py
index bacece116eebfed444134e291be9af117f7df4a5..2a541351298bde5d2ad0fcc51b0e62502897b5ef 100644
--- a/sjrpc/client/simple.py
+++ b/sjrpc/client/simple.py
@@ -82,7 +82,7 @@ class SimpleRpcClient(ConnectionManager):
             try:
                 self._connection.receive()
             except socket.error as err:
-                logging.error('Socket error while receiving from the client '
+                logging.debug('Socket error while receiving from the client '
                               'fd/%s: %s', fd, err)
                 self.shutdown()
 
@@ -91,12 +91,12 @@ class SimpleRpcClient(ConnectionManager):
             try:
                 self._connection.send()
             except socket.error as err:
-                logging.error('Socket error while sending to the client '
+                logging.debug('Socket error while sending to the client '
                               'fd/%s: %s', fd, err)
                 self.shutdown()
 
         if event & select.EPOLLHUP:
-            logging.error('Socket HUP fd/%s', fd)
+            logging.debug('Socket HUP fd/%s', fd)
             self.shutdown()
 
     def all_connections(self):
diff --git a/sjrpc/core/rpcconnection.py b/sjrpc/core/rpcconnection.py
index b1466560c6750dd4f7545031ce91a767c8485cca..679196eba80f6307d0b4c4b324b2f11de6f675dd 100644
--- a/sjrpc/core/rpcconnection.py
+++ b/sjrpc/core/rpcconnection.py
@@ -119,7 +119,7 @@ class RpcConnection(object):
         except socket.error as err:
             if err.errno == 11:
                 # Errno 11 -> retry again
-                logging.warning('Non critical error while reading a socket:'
+                logging.debug('Non critical error while reading a socket:'
                                 ' %r', err)
                 return
 
@@ -368,7 +368,7 @@ class RpcConnection(object):
                     # manager while cleanup.
 
         else:
-            logging.warning('Malformed message received: %s', message)
+            logging.debug('Malformed message received: %s', message)
     
     def shutdown(self, callback=None):
         '''
@@ -384,7 +384,7 @@ class RpcConnection(object):
         try:
             self._sock.close()
         except socket.error as err:
-            logging.warning('Error while socket close: %s.', err)
+            logging.debug('Error while socket close: %s.', err)
 
         # Release all running calls from this connection:
         for call in self._calls.values():
@@ -407,7 +407,7 @@ class RpcConnection(object):
             try:
                 callback(self)
             except Exception as err:
-                logging.error('Error while execution of shutdown '
+                logging.debug('Error while execution of shutdown '
                               'callback: %s', err)
 
     def clean_call(self, msg_id):
diff --git a/sjrpc/server/simple.py b/sjrpc/server/simple.py
index 8f8c1d5d1d90f8c9a22f980f8d88b50bd0f91c67..66649a95192a0d888ae7af69897503605c25c168 100644
--- a/sjrpc/server/simple.py
+++ b/sjrpc/server/simple.py
@@ -78,11 +78,11 @@ class SimpleRpcServer(ConnectionManager):
                 try:
                     connection.receive()
                 except socket.error as err:
-                    logging.error('Socket error while receiving from client '
+                    logging.debug('Socket error while receiving from client '
                                   'fd/%s: %s', fd, err)
                     self.shutdown_client(fd)
                 except Exception as err:
-                    logging.error('Unknown error while receiving from client '
+                    logging.debug('Unknown error while receiving from client '
                                   'fd/%s: %s', fd, err)
                     self.shutdown_client(fd)
                 
@@ -91,16 +91,16 @@ class SimpleRpcServer(ConnectionManager):
                 try:
                     connection.send()
                 except socket.error as err:
-                    logging.error('Socket error while sending to the client '
+                    logging.debug('Socket error while sending to the client '
                                   'fd/%s: %s', fd, err)
                     self.shutdown_client(fd)
                 except Exception as err:
-                    logging.error('Unknown error while sending to the client '
+                    logging.debug('Unknown error while sending to the client '
                                   'fd/%s: %s', fd, err)
                     self.shutdown_client(fd)
 
             if event & select.EPOLLHUP:
-                logging.error('Socket HUP fd/%s', fd)
+                logging.debug('Socket HUP fd/%s', fd)
                 self.shutdown_client(fd)
 
 
@@ -129,6 +129,6 @@ class SimpleSslRpcServer(SimpleRpcServer):
                                       ssl_version=ssl.PROTOCOL_TLSv1,
                                       do_handshake_on_connect=True)
         except ssl.SSLError as err:
-            logging.error('Error when accepting ssl connection: %s', err)
+            logging.debug('Error when accepting ssl connection: %s', err)
         else:
             return sslsock, address