22:45:11 + docker pull dockerbuildbot/docker-py:py2-d9adc92995bdb6be4b210a942c5791bc1a377736 22:45:11 Error response from daemon: manifest for dockerbuildbot/docker-py:py2-d9adc92995bdb6be4b210a942c5791bc1a377736 not found: manifest unknown: manifest unknown