Align networks to get connectivity to external net

Change-Id: I372825ab21a8bab3bf6aa2b4d78f46dfd4d81657
Related: #PROD-26083
diff --git a/tcp_tests/templates/cookied-cicd-pike-dvr-ceph/environment_context.yaml b/tcp_tests/templates/cookied-cicd-pike-dvr-ceph/environment_context.yaml
index f396f3e..7221980 100644
--- a/tcp_tests/templates/cookied-cicd-pike-dvr-ceph/environment_context.yaml
+++ b/tcp_tests/templates/cookied-cicd-pike-dvr-ceph/environment_context.yaml
@@ -91,13 +91,16 @@
     prx01:
       reclass_storage_name: openstack_proxy_node01
       roles:
-      - openstack_proxy
       - linux_system_codename_xenial
       interfaces:
         ens3:
           role: single_dhcp
         ens4:
           role: single_ctl
+        ens5:
+          role: single_external
+          external_address: 172.17.16.121
+          external_network_netmask: 255.255.255.0
 
     # Generator-based computes. For compatibility only
     cmp<<count>>: