Comment 17 for bug 1818060

<< * https://logserver.rdoproject.org/openstack-periodic-master/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-ovb-3ctlr_1comp_1supp-featureset039-master/763fc68/job-output.txt
                * 2020-04-20 02:57:22.439102 | primary | [2020/04/20 02:57:22 AM] [ERROR] stdout: ERROR : [/etc/sysconfig/network-scripts/ifup-eth] Error, some other host (FA:16:3E:FC:D1:41) already uses address 10.0.0.1.

This is different issue not related to rdo cloud infra, it's happening because 10.0.0.1 ip is associated with 1 of overcloud node:-
2020-04-20 02:50:41.693700 | primary | "network_details": {
2020-04-20 02:50:41.693705 | primary | "baremetal-61789-extra_0": {
2020-04-20 02:50:41.693710 | primary | "id": "178ac4d6-30aa-4ca6-8b54-b17692703396",
2020-04-20 02:50:41.693716 | primary | "ips": {
2020-04-20 02:50:41.693721 | primary | "private": [
2020-04-20 02:50:41.693727 | primary | {
2020-04-20 02:50:41.693732 | primary | "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:f0:54:e8",
2020-04-20 02:50:41.693737 | primary | "version": 4,
2020-04-20 02:50:41.693742 | primary | "addr": "192.168.100.70",
2020-04-20 02:50:41.693748 | primary | "OS-EXT-IPS:type": "fixed"
2020-04-20 02:50:41.693753 | primary | }
2020-04-20 02:50:41.693758 | primary | ],
2020-04-20 02:50:41.693764 | primary | "provision-61789": [
2020-04-20 02:50:41.693769 | primary | {
2020-04-20 02:50:41.693774 | primary | "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:d3:24:df",
2020-04-20 02:50:41.693780 | primary | "version": 4,
2020-04-20 02:50:41.693785 | primary | "addr": "192.0.2.18",
2020-04-20 02:50:41.693793 | primary | "OS-EXT-IPS:type": "fixed"
2020-04-20 02:50:41.693798 | primary | }
2020-04-20 02:50:41.693804 | primary | ],
2020-04-20 02:50:41.693809 | primary | "public-61789": [
2020-04-20 02:50:41.693814 | primary | {
2020-04-20 02:50:41.693819 | primary | "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:fc:d1:41",
2020-04-20 02:50:41.693824 | primary | "version": 4,
2020-04-20 02:50:41.693830 | primary | "addr": "10.0.0.1",
2020-04-20 02:50:41.693835 | primary | "OS-EXT-IPS:type": "fixed"
2020-04-20 02:50:41.693841 | primary | }
2020-04-20 02:50:41.693846 | primary | ]
2020-04-20 02:50:41.693851 | primary | }
2020-04-20 02:50:41.693857 | primary | },

and 10.0.0.1 is hardcoded https://opendev.org/openstack/tripleo-quickstart-extras/src/branch/master/playbooks/prepare-slave.yml#L44