OpenShift nodes have two networks.

192.168 -> linked to floating_ip
10.0. -> should be the cluster network

#
# OpenShift continuously switching network
#
May	26	04:36:35		DeleteHostSubnetRules	infra-1.	ip:	"192.168.0.13",	subnet:	"10.128.2.0/23")
May	26	04:36:35		AddHostSubnetRules      infra-1 	ip: "10.0.0.11",	subnet:	"10.128.2.0/23")
May	26	05:54:28		DeleteHostSubnetRules	infra-1.	ip:	"10.0.0.11",	subnet:	"10.128.2.0/23")
May	26	05:54:28		AddHostSubnetRules	    infra-1	    ip: "192.168.0.13",	subnet:	"10.128.2.0/23")
May	26	07:44:52		DeleteHostSubnetRules	infra-1.	ip:	"192.168.0.13",	subnet:	"10.128.2.0/23")
May	26	07:44:52		AddHostSubnetRules		infra-1 	ip: "10.0.0.11",	subnet:	"10.128.2.0/23")
May	26	08:23:05		DeleteHostSubnetRules	infra-1.	ip:	"10.0.0.11",	subnet:	"10.128.2.0/23")
May	26	08:23:05		AddHostSubnetRules		infra-1	    ip: "192.168.0.13",	subnet:	"10.128.2.0/23")
May	26	10:13:30		DeleteHostSubnetRules	infra-1.	ip:	"192.168.0.13",	subnet:	"10.128.2.0/23")
May	26	10:13:30		AddHostSubnetRules		infra-1	    ip: "10.0.0.11",	subnet:	"10.128.2.0/23")

OpenShift sets both of them as InternalIP
> $ oc get node dev-1-node.example.net -o yaml
> ...
> spec:
>   externalID: 33a13663-5eba-480b-9084-1f52ade18582
>   providerID: openstack:///33a13663-5eba-480b-9084-1f52ade18582
> status:
>   addresses:
>   - address: 192.168.0.9
>     type: InternalIP
>   - address: 10.0.0.12
>     type: InternalIP

> Here it seems we need to set a flag somewhere in
> openshift-on-openstack, as kubernetes looks for "public".
>
>  https://github.com/kubernetes/kubernetes/pull/18829/files
>
> Node addresses have all 'OS-EXT-IPS:type' to fixed:
>
>   'addresses': {'dev-1-cluster_network-3wpglkypgv7p':
> [{'OS-EXT-IPS-MAC:mac_addr': 'fa:16:3e:e3:a9:ca',
>     'OS-EXT-IPS:type': 'fixed',
>     'addr': '10.0.0.12',
>     'version': 4}],
>   'dev-1-fixed_network-q26vlpbbrwk3': [{'OS-EXT-IPS-MAC:mac_addr':
> 'fa:16:3e:8b:85:fc',
>     'OS-EXT-IPS:type': 'fixed',
>     'addr': '192.168.0.9',
>     'version': 4}]},
>

Even renaming dev-1-fixed_network-q26vlpbbrwk3 to public doesn't change anything