openstack_release auto error with pull images

kolla-ansible pull does not work with openstack_release set to auto.

TASK [Get current kolla-ansible version number] ********************************
task path: /root/kolla-ansible/ansible/site.yml:38
Using module file /usr/local/lib/python2.7/dist-packages/ansible/modules/core/commands/command.py
<localhost> ESTABLISH LOCAL CONNECTION FOR USER: root
<localhost> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo ~/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034 `" && echo ansible-tmp-1488985930.27-132882751940034="` echo ~/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034 `" ) && sleep 0'
<localhost> PUT /tmp/tmpl0rHyS TO /root/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034/command.py
<localhost> EXEC /bin/sh -c 'chmod u+x /root/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034/ /root/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034/command.py && sleep 0'
<localhost> EXEC /bin/sh -c '/usr/bin/python /root/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034/command.py; rm -rf "/root/.ansible/tmp/ansible-tmp-1488985930.27-132882751940034/" > /dev/null 2>&1 && sleep 0'
ok: [localhost -> localhost] => {
    "changed": false,
    "cmd": [
        "python",
        "-c",
        "import pbr.version; print(pbr.version.VersionInfo('kolla-ansible'))"
    ],
    "delta": "0:00:02.450749",
    "end": "2017-03-08 15:12:12.886483",
    "invocation": {
        "module_args": {
            "_raw_params": "python -c \"import pbr.version; print(pbr.version.VersionInfo('kolla-ansible'))\"",
            "_uses_shell": false,
            "chdir": null,
            "creates": null,
            "executable": null,
            "removes": null,
            "warn": true
        },
        "module_name": "command"
    },
    "rc": 0,
    "start": "2017-03-08 15:12:10.435734",
    "stderr": "",
    "stdout": "4.0.0",
    "stdout_lines": [
        "4.0.0"
    ],
    "warnings": []
}

TASK [Set openstack_release variable] ******************************************
task path: /root/kolla-ansible/ansible/site.yml:44
ok: [localhost] => {
    "ansible_facts": {
        "openstack_release": "4.0.0"
    },
    "changed": false,
    "invocation": {
        "module_args": {
            "openstack_release": "4.0.0"
        },
        "module_name": "set_fact"
    }
}

TASK [common : Pulling kolla-toolbox image] ************************************
task path: /root/kolla-ansible/ansible/roles/common/tasks/pull.yml:2
Using module file /root/kolla-ansible/ansible/library/kolla_docker.py
<localhost> ESTABLISH LOCAL CONNECTION FOR USER: root
<localhost> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo ~/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373 `" && echo ansible-tmp-1488985938.63-62972536628373="` echo ~/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373 `" ) && sleep 0'
<localhost> PUT /tmp/tmpKRXTDD TO /root/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373/kolla_docker.py
<localhost> EXEC /bin/sh -c 'chmod u+x /root/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373/ /root/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373/kolla_docker.py && sleep 0'
<localhost> EXEC /bin/sh -c '/usr/bin/python /root/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373/kolla_docker.py; rm -rf "/root/.ansible/tmp/ansible-tmp-1488985938.63-62972536628373/" > /dev/null 2>&1 && sleep 0'
fatal: [localhost]: FAILED! => {
    "changed": false,
    "failed": true,
    "invocation": {
        "module_args": {
            "action": "pull_image",
            "api_version": "auto",
            "auth_email": null,
            "auth_password": null,
            "auth_registry": "192.168.100.156:4000",
            "auth_username": null,
            "cap_add": [],
            "detach": true,
            "environment": {
                "KOLLA_CONFIG_STRATEGY": "COPY_ALWAYS"
            },
            "image": "192.168.100.156:4000/lokolla/ubuntu-source-kolla-toolbox:auto",
            "labels": {},
            "name": null,
            "privileged": false,
            "remove_on_exit": true,
            "restart_policy": "unless-stopped",
            "restart_retries": 10,
            "security_opt": [],
            "tls_cacert": null,
            "tls_cert": null,
            "tls_key": null,
            "tls_verify": false,
            "volumes": null,
            "volumes_from": null
        },
        "module_name": "kolla_docker"
    },
    "msg": "The requested image does not exist: 192.168.100.156:4000/lokolla/ubuntu-source-kolla-toolbox:auto"
}