[queens] set Neutron API retries, default to 3

available in donwstream for Queens only

Change-Id: I90e2ac80c66a900182516813898ec7f92c530c3d
Related-Issue: PROD-30592
diff --git a/metadata/service/compute/cluster.yml b/metadata/service/compute/cluster.yml
index 8934022..2f081d5 100644
--- a/metadata/service/compute/cluster.yml
+++ b/metadata/service/compute/cluster.yml
@@ -62,6 +62,7 @@
         region: RegionOne
         host: ${_param:opencontrail_control_address}
         port: 9696
+        retry: 3
       cache:
         engine: memcached
         # NOTE (dukov) Do not change this unless you 100% sure what you are doing