Add Neutron client metadata to create Octavia port

Related prod: PROD-11917

Change-Id: I738029b5cd79dd9a7e5d7baedc5c4821c63b7b27
diff --git a/neutron/client/service/octavia.yml b/neutron/client/service/octavia.yml
index 97efe93..a46bf64 100644
--- a/neutron/client/service/octavia.yml
+++ b/neutron/client/service/octavia.yml
@@ -16,7 +16,14 @@
                   allocation_pools:
                     - start: 192.168.0.2
                       end: 192.168.0.200
-
+              port:
+                octavia-health-manager-listen-port:
+                  fixed_ips:
+                    - ip_address: '192.168.0.12'
+                  device_owner: Octavia:health-mgr
+                  binding_host_id: ${_param:openstack_gateway_node01_hostname}
+                  security_groups:
+                    - lb-health-mgr-sec-grp
           security_group:
             lb-mgmt-sec-grp:
               tenant: service