What is the expected behavior when polling a LRO fails?

Case: EdgeOrder service, when creating a resources, which is a long running operation, polling request fails with 400 Bad Request.

Current behavior: after 400, we send an **extra** GET request to get the resource; service returns 404 Not Found, we throw the error.

Service team's expectation: user should be able to see the error message in response of 400, not response of 404.

Question:

- Should we terminate polling and do not send extra GET when there is an error?
- Or should we print the error can continue the current behavior?