OpenCloud\Common\Exceptions\HttpError making GET request to /route/safeguarding/abbey-wood-to-hoo-junction

HTTP error on [https://lon.identity.api.rackspacecloud.com/v2.0/tokens], curl code [6] message [name lookup timed out]

PHP /var/www/crossrail/crossrail.co.uk/releases/live/2014-07-28.09-47-31/includes/php-opencloud-master/lib/OpenCloud/Common/Request/Curl.php, line 244
URI GET /route/safeguarding/abbey-wood-to-hoo-junction
Route cms
Module cmsPage
Controller default
Action default

Stacktrace