An unexpected error occurred: ConnectionError: HTTPSConnectionPool(host='acme-v01.api.letsencrypt.org', port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError('<requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x7f459d62e910>: Failed to establish a new connection: [Errno 110] Connection timed out',)) Please see the logfiles in /var/log/letsencrypt for more details.