Node running on CentOS 7 with 2 NICs, try to run openstack-ansible all-in-one and ran into a problem with setup-infrastructure 

command:
openstack-ansible setup-infrastructure.yml

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TASK [Get list of repo packages] ****************************************************************************************************************************************************************
fatal: [aio1_utility_container-9fa7b0be]: FAILED! => {"changed": false, "content": "", "msg": "Status code was -1 and not [200]: Request failed: <urlopen error [Errno 113] No route to host>", "redirected": false, "status": -1, "url": "http://172.29.236.100:8181/os-releases/18.1.3/centos-7.6-x86_64/requirements_absolute_requirements.txt"}

NO MORE HOSTS LEFT ******************************************************************************************************************************************************************************

PLAY RECAP **************************************************************************************************************************************************************************************
aio1                       : ok=46   changed=0    unreachable=0    failed=0
aio1_aodh_container-646c3256 : ok=6    changed=0    unreachable=0    failed=0
aio1_ceilometer_central_container-715d011d : ok=6    changed=0    unreachable=0    failed=0
aio1_cinder_api_container-3bd7a6b4 : ok=6    changed=0    unreachable=0    failed=0
aio1_galera_container-64731bca : ok=6    changed=0    unreachable=0    failed=0
aio1_glance_container-d07a3aa4 : ok=6    changed=0    unreachable=0    failed=0
aio1_gnocchi_container-4377a0b7 : ok=6    changed=0    unreachable=0    failed=0
aio1_horizon_container-edb3edf9 : ok=6    changed=0    unreachable=0    failed=0
aio1_keystone_container-e3a4bf34 : ok=6    changed=0    unreachable=0    failed=0
aio1_memcached_container-f94f23e1 : ok=6    changed=0    unreachable=0    failed=0
aio1_neutron_server_container-00f0e572 : ok=6    changed=0    unreachable=0    failed=0
aio1_nova_api_container-bf866cf2 : ok=6    changed=0    unreachable=0    failed=0
aio1_rabbit_mq_container-19320598 : ok=6    changed=0    unreachable=0    failed=0
aio1_repo_container-b335cfef : ok=83   changed=3    unreachable=0    failed=0
aio1_utility_container-9fa7b0be : ok=29   changed=2    unreachable=0    failed=1
localhost                  : ok=1    changed=0    unreachable=0    failed=0



EXIT NOTICE [Playbook execution failure] **************************************
===============================================================================
[root@openstack-ansible playbooks]# 
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the container is running and I can see that url is working
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[root@openstack-ansible playbooks]# lxc-ls -f |grep 9fa7b0be
aio1_utility_container-9fa7b0be            RUNNING 1         onboot, openstack 10.255.255.176, 172.29.237.17                 -
[root@openstack-ansible playbooks]#
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---

networking_sfc==7.0.1.dev4
urllib3==1.23
alabaster==0.7.11
restructuredtext_lint==1.1.3
pylxd==2.2.7
sphinxcontrib_seqdiag==0.8.5
oslo.cache==1.30.1
tooz==1.62.0
pytz==2018.5
pysaml2==4.5.0
pathtools==0.1.2
appdirs==1.4.3
...


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- Vlad