[queens] set Neutron API retries, default to 3

available in donwstream for Queens only

Change-Id: I90e2ac80c66a900182516813898ec7f92c530c3d
Related-Issue: PROD-30592
(cherry picked from commit c67b56577c998621a59f4d363a6a563d3b3515af)
diff --git a/metadata/service/compute/kvm.yml b/metadata/service/compute/kvm.yml
index 4174b56..0352323 100644
--- a/metadata/service/compute/kvm.yml
+++ b/metadata/service/compute/kvm.yml
@@ -59,6 +59,7 @@
         region: RegionOne
         host: ${_param:cluster_vip_address}
         port: 9696
+        retry: 3
       cache:
         engine: memcached
         # NOTE (dukov) Do not change this unless you 100% sure what you are doing