Overcloud scale out fails at Step5.0 due to InstanceHA fencing.pp

Issue

During an overcloud deployment, the deployment fails at step_5 with the following error:

  deploy_stdout: |
    ...
            "                    with Pattern[]. There is further documentation for validate_legacy function in the README. at [\"/etc/puppet/modules/ntp/manifests/init.pp\", 68]:[\"/etc/puppet/modules/tripleo/manifests/profile/base/time/ntp.pp\", 29]",
            "                    with Stdlib::Compat::Numeric. There is further documentation for validate_legacy function in the README. at [\"/etc/puppet/modules/ntp/manifests/init.pp\", 89]:[\"/etc/puppet/modules/tripleo/manifests/profile/base/time/ntp.pp\", 29]",
            "Error: Evaluation Error: Error while evaluating a Function Call, Multiple (or zero) IPmilan devices for a single host are not supported with instance HA at /etc/puppet/modules/tripleo/manifests/fencing.pp:77:7 on node overcloud-computeHA-node.local"
        ]
    }
        to retry, use: --limit @/var/lib/heat-config/heat-config-ansible/UUID_playbook.retry

    PLAY RECAP *********************************************************************
    localhost                  : ok=3    changed=1    unreachable=0    failed=1