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....