diff --git a/osm_openvim/openflow_thread.py b/osm_openvim/openflow_thread.py
index cd873e7..2f39fab 100644
--- a/osm_openvim/openflow_thread.py
+++ b/osm_openvim/openflow_thread.py
@@ -165,7 +165,10 @@
                 else:
                     self.logger.error("unknown task %s", str(task))
             except openflow_conn.OpenflowconnException as e:
+                self.logger.error("OpenflowconnException: " + str(e))
                 self.set_openflow_controller_status(OFC_STATUS_ERROR, str(e))
+            except Exception as e:
+                self.logger.critical("Unexpected exception at run: " + str(e), exc_info=True)
 
     def terminate(self):
         pass