diff --git a/framework/test_app/client_app.py b/framework/test_app/client_app.py
index 38184fad..35cabd9b 100644
--- a/framework/test_app/client_app.py
+++ b/framework/test_app/client_app.py
@@ -318,11 +318,13 @@ def find_active_xds_channel(
                     channel, **rpc_params
                 )
                 logger.info(
-                    "[%s] Detected successful calls to xDS control plane: %s",
+                    "[%s] Detected successful calls to xDS control plane %s,"
+                    " channel: %s",
                     self.hostname,
                     xds_server_uri,
+                    _ChannelzServiceClient.channel_repr(channel),
                 )
-            except self.NotFound as e:
+            except self.NotFound:
                 # Otherwise, keep searching.
                 continue