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			W tensorflow/core/platform/cloud/google_auth_provider.cc:184] All attempts to get a 
		

		

			Google authentication bearer token failed, returning an empty token. Retrieving token 
		

		

			from files failed with "Not found: Could not locate the credentials file.". Retrieving
		

		

			 token from GCE failed with "Failed precondition: Error executing an HTTP request:
		

		

			 libcurl code 6 meaning 'Couldn't resolve host name', error details: Could not resolve host: metadata".
		

		

			E tensorflow/core/platform/cloud/curl_http_request.cc:614] The transmission 
		

		

			of request 0x5b328e0 (URI: https://www.googleapis.com/storage/v1/b/tfds-data/o
		

		

			/dataset_info%2Fmnist%2F3.0.1?fields=size%2Cgeneration%2Cupdated) has been
		

		

			 stuck at 0 of 0 bytes for 61 seconds and will be aborted....