fatal: [aio1]: FAILED! => {
    "changed": true,
    "cmd": [
        "certbot",
        "certonly",
        "--standalone",
        "--agree-tos",
        "--non-interactive",
        "--text",
        "--rsa-key-size",
        "4096",
        "--email",
        "support@*****.com",
        "--domains",
        "openstack-ussuri.*******.com",
        "--http-01-address",
        "185.1**.1**.2**",
        "--http-01-port",
        "8888"
    ],
    "delta": "0:00:06.854123",
    "end": "2021-03-29 13:38:48.018013",
    "invocation": {
        "module_args": {
            "_raw_params": "certbot certonly --standalone --agree-tos --non-interactive --text --rsa-key-size 4096 --email support@*******.com --domains openstack-ussuri.*******.com --http-01-address 185.1**.1**.2** --http-01-port 8888\n",
            "_uses_shell": false,
            "argv": null,
            "chdir": null,
            "creates": "/etc/letsencrypt/live/openstack-ussuri.*******.com/fullchain.pem",
            "executable": null,
            "removes": null,
            "stdin": null,
            "stdin_add_newline": true,
            "strip_empty_ends": true,
            "warn": true
        }
    },
    "msg": "non-zero return code",
    "rc": 1,
    "start": "2021-03-29 13:38:41.163890",
    "stderr": "Saving debug log to /var/log/letsencrypt/letsencrypt.log\nPlugins selected: Authenticator standalone, Installer None\nObtaining a new certificate\nPerforming the following challenges:\nhttp-01 challenge for openstack-ussuri.*******.com\nWaiting for verification...\nCleaning up challenges\nFailed authorization procedure. openstack-ussuri.*******.com (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://openstack-ussuri.*******.com/.well-known/acme-challenge/nzzBwxEY2YjxxlQ3XJoCuUk7qYylmLDT2kxrlzVJr-4 [185.1**.1**.2**]: 503",
    "stderr_lines": [
        "Saving debug log to /var/log/letsencrypt/letsencrypt.log",
        "Plugins selected: Authenticator standalone, Installer None",
        "Obtaining a new certificate",
        "Performing the following challenges:",
        "http-01 challenge for openstack-ussuri.*******.com",
        "Waiting for verification...",
        "Cleaning up challenges",
        "Failed authorization procedure. openstack-ussuri.*******.com (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://openstack-ussuri.*******.com/.well-known/acme-challenge/nzzBwxEY2YjxxlQ3XJoCuUk7qYylmLDT2kxrlzVJr-4 [185.1**.1**.2**]: 503"
    ],
    "stdout": "IMPORTANT NOTES:\n - The following errors were reported by the server:\n\n   Domain: openstack-ussuri.*******.com\n   Type:   unauthorized\n   Detail: Invalid response from\n   http://openstack-ussuri.*******.com/.well-known/acme-challenge/nzzBwxEY2YjxxlQ3XJoCuUk7qYylmLDT2kxrlzVJr-4\n   [185.1**.1**.2**]: 503\n\n   To fix these errors, please make sure that your domain name was\n   entered correctly and the DNS A/AAAA record(s) for that domain\n   contain(s) the right IP address.",
    "stdout_lines": [
        "IMPORTANT NOTES:",
        " - The following errors were reported by the server:",
        "",
        "   Domain: openstack-ussuri.*******.com",
        "   Type:   unauthorized",
        "   Detail: Invalid response from",
        "   http://openstack-ussuri.*******.com/.well-known/acme-challenge/nzzBwxEY2YjxxlQ3XJoCuUk7qYylmLDT2kxrlzVJr-4",
        "   [185.1**.1**.2**]: 503",
        "",
        "   To fix these errors, please make sure that your domain name was",
        "   entered correctly and the DNS A/AAAA record(s) for that domain",
        "   contain(s) the right IP address."
    ]
}3