[PSM Interop] Log Google Cloud API debug header part 3 (#34755)

In case of test fails, the clean up script will try delete some resource
we didn't create and resulting lots of 404 errors, we should exclude
those status code since we have specific handling for 404.

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tools/run_tests/xds_k8s_test_driver/framework/infrastructure/gcp/compute.py

@@ -585,7 +585,11 @@ class ComputeV1(
 
     @staticmethod
     def _log_debug_header(resp: httplib2.Response):
-        if DEBUG_HEADER_IN_RESPONSE in resp and resp.status >= 300:
+        if (
+            DEBUG_HEADER_IN_RESPONSE in resp
+            and resp.status >= 300
+            and resp.status != 404
+        ):
             logger.info(
                 "Received GCP debug headers: %s",
                 resp[DEBUG_HEADER_IN_RESPONSE],
@@ -595,7 +599,9 @@ class ComputeV1(
         self, request, *, timeout_sec=_WAIT_FOR_OPERATION_SEC
     ):
         if self.gfe_debug_header:
-            logger.info("Adding debug headers for method: %s", request.methodId)
+            logger.debug(
+                "Adding debug headers for method: %s", request.methodId
+            )
             request.headers[DEBUG_HEADER_KEY] = self.gfe_debug_header
             request.add_response_callback(self._log_debug_header)
         operation = request.execute(num_retries=self._GCP_API_RETRIES)