14:13:24 + docker pull dockerbuildbot/docker-py:py2-b9b009b12b408c850ab8a601a13f9f2b45721873 14:13:24 Error response from daemon: manifest for dockerbuildbot/docker-py:py2-b9b009b12b408c850ab8a601a13f9f2b45721873 not found: manifest unknown: manifest unknown