Fix multiple minor security vulnerabilities

Change-Id: I7c2a42c8bd025767de12ebca2573ab01d200c100
Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>
diff --git a/osm_lcm/ns.py b/osm_lcm/ns.py
index 63ae2a4..fad3972 100644
--- a/osm_lcm/ns.py
+++ b/osm_lcm/ns.py
@@ -3628,9 +3628,11 @@
                     vnfr_data.get("_id"),
                     {"kdur.{}.status".format(kdu_index): "ERROR"},
                 )
-            except Exception:
+            except Exception as error:
                 # ignore to keep original exception
-                pass
+                self.logger.warning(
+                    f"An exception occurred while updating DB: {str(error)}"
+                )
             # reraise original error
             raise
 
@@ -3790,8 +3792,8 @@
                                 kdumodel = self.fs.path + filename
                     except (asyncio.TimeoutError, asyncio.CancelledError):
                         raise
-                    except Exception:  # it is not a file
-                        pass
+                    except Exception as e:  # it is not a file
+                        self.logger.warning(f"An exception occurred: {str(e)}")
 
                     k8s_cluster_id = kdur["k8s-cluster"]["id"]
                     step = "Synchronize repos for k8s cluster '{}'".format(