--- a/reference/transport.py
+++ b/reference/transport.py
@@ -1,4 +1,8 @@
 """Injected transport owns timeout enforcement; importer owns the total budget."""
+import logging
+logger = logging.getLogger(__name__)
+
+
 class FakeClock:
     def __init__(self):
         self.now = 0.0
@@ -34,6 +38,7 @@
         if remaining <= 0:
             raise TimeoutError("total deadline")
         response = server.get(cursor, timeout=remaining)
+        logger.info("import attempt=%d status=%d", attempt + 1, response["status"])
         if clock.now >= deadline:
             raise TimeoutError("total deadline")
         status = response["status"]