Fix Nova metadata port

Change-Id: I245c1fa68598723653afcf6b2cfb143d7fd93b21
diff --git a/roles/openstack_helm_neutron/vars/main.yml b/roles/openstack_helm_neutron/vars/main.yml
index d30456c..432d9dd 100644
--- a/roles/openstack_helm_neutron/vars/main.yml
+++ b/roles/openstack_helm_neutron/vars/main.yml
@@ -66,7 +66,7 @@
         vpn_device_driver: neutron_vpnaas.services.vpn.device_drivers.strongswan_ipsec.StrongSwanDriver
     metadata_agent:
       DEFAULT:
-        nova_metadata_port: 8776
+        nova_metadata_port: 8775
         metadata_proxy_shared_secret: "{{ openstack_helm_endpoints['compute_metadata']['secret'] }}"
     plugins:
       ml2_conf: