Problem uploading a file

[fionnmk]

I have simple code to upload a file to file storage. The file actually uploads fine although the log spits out this error continually.

`52373 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Starting request to 'https://xxxxx.file.core.windows.net/xxxxx-container/TestFile6?comp=range' at 'Thu, 16 Aug 2018 10:50:20 GMT'.}

52375 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Writing request data.}

55547 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Request data was written successfully.}

55547 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Waiting for response.}

56021 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Response received. Status code = '201', Request ID = '368ec890-101a-003c-1f4e-359c26000000', Content-MD5 = 'ONflMbmKJ1gJjlP1NVcwIw==', ETag = '"0x8D6036611C8A382"', Date = 'Thu, 16 Aug 2018 10:50:23 GMT'.}

56022 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {A network error occurred before the HTTP response status and headers were received.}
56024 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Processing response headers.}

56026 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Response headers were processed successfully.}
56026 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Processing response body.}

56028 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Response body was parsed successfully.}

56029 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Operation completed.}

56061 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Starting operation.}

56061 [pool-1-thread-1] INFO root - {ab818704-fa6b-45c5-89a3-a335b6292ea0}: {Starting operation with location 'PRIMARY' per location mode 'PRIMARY_ON`

Any idea what's going on?