diff --git a/tcp_tests/environment/lab03_ovs_dpdk/init.yml b/tcp_tests/environment/lab03_ovs_dpdk/init.yml
index 95d837e..c4514d8 100644
--- a/tcp_tests/environment/lab03_ovs_dpdk/init.yml
+++ b/tcp_tests/environment/lab03_ovs_dpdk/init.yml
@@ -1,23 +1,27 @@
 parameters:
+  # Simulate escape sequence to not interpolate some values,
+  # so these values may get into the node yamls as ${_param:...}
+  _esc: $
+
   reclass:
     storage:
       node:
         stacklight_telemetry_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_telemetry_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_message_queue_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_gateway_node03:
@@ -46,7 +50,7 @@
                 enabled: true
                 type: ovs_bridge
               br_ctl:
-                address: 10.167.4.226
+                address: ${_esc}{_param:single_address}
                 bridge: br-floating
                 enabled: true
                 netmask: 255.255.255.0
@@ -78,7 +82,7 @@
         openstack_database_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_gateway_node02:
@@ -107,7 +111,7 @@
                 enabled: true
                 type: ovs_bridge
               br_ctl:
-                address: 10.167.4.225
+                address: ${_esc}{_param:single_address}
                 bridge: br-floating
                 enabled: true
                 netmask: 255.255.255.0
@@ -139,25 +143,25 @@
         openstack_control_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         stacklight_monitor_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         stacklight_telemetry_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_message_queue_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         infra_kvm_node01:
@@ -184,7 +188,7 @@
                 use_interfaces:
                 - bond0
               br_ctl:
-                address: 10.167.4.241
+                address: ${_esc}{_param:single_address}
                 enabled: true
                 netmask: 255.255.255.0
                 proto: static
@@ -192,7 +196,7 @@
                 use_interfaces:
                 - bond0.2416
               br_mgm:
-                address: 172.16.49.11
+                address: ${_esc}{_param:deploy_address}
                 enabled: true
                 gateway: 172.16.49.1
                 name_servers:
@@ -222,13 +226,13 @@
         openstack_proxy_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_telemetry_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         infra_kvm_node02:
@@ -255,7 +259,7 @@
                 use_interfaces:
                 - bond0
               br_ctl:
-                address: 10.167.4.242
+                address: ${_esc}{_param:single_address}
                 enabled: true
                 netmask: 255.255.255.0
                 proto: static
@@ -263,7 +267,7 @@
                 use_interfaces:
                 - bond0.2416
               br_mgm:
-                address: 172.16.49.12
+                address: ${_esc}{_param:deploy_address}
                 enabled: true
                 gateway: 172.16.49.1
                 name_servers:
@@ -293,49 +297,49 @@
         stacklight_monitor_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_telemetry_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         stacklight_log_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_proxy_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_message_queue_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         stacklight_log_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_database_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_control_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_compute_node02:
@@ -354,12 +358,12 @@
                 use_interfaces:
                 - bond0
               br-prv:
-                address: 10.167.6.102
+                address: ${_esc}{_param:tenant_address}
                 enabled: true
                 netmask: 255.255.255.0
                 type: dpdk_ovs_bridge
               br_ctl:
-                address: 10.167.4.102
+                address: ${_esc}{_param:control_address}
                 enabled: true
                 netmask: 255.255.255.0
                 proto: static
@@ -416,7 +420,7 @@
                 enabled: true
                 type: ovs_bridge
               br_ctl:
-                address: 10.167.4.224
+                address: ${_esc}{_param:single_address}
                 bridge: br-floating
                 enabled: true
                 netmask: 255.255.255.0
@@ -448,7 +452,7 @@
         stacklight_log_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_compute_node01:
@@ -467,12 +471,12 @@
                 use_interfaces:
                 - bond0
               br-prv:
-                address: 10.167.6.101
+                address: ${_esc}{_param:tenant_address}
                 enabled: true
                 netmask: 255.255.255.0
                 type: dpdk_ovs_bridge
               br_ctl:
-                address: 10.167.4.101
+                address: ${_esc}{_param:control_address}
                 enabled: true
                 netmask: 255.255.255.0
                 proto: static
@@ -506,7 +510,7 @@
         openstack_database_node03:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         infra_kvm_node03:
@@ -533,7 +537,7 @@
                 use_interfaces:
                 - bond0
               br_ctl:
-                address: 10.167.4.243
+                address: ${_esc}{_param:single_address}
                 enabled: true
                 netmask: 255.255.255.0
                 proto: static
@@ -541,7 +545,7 @@
                 use_interfaces:
                 - bond0.2416
               br_mgm:
-                address: 172.16.49.13
+                address: ${_esc}{_param:deploy_address}
                 enabled: true
                 gateway: 172.16.49.1
                 name_servers:
@@ -571,18 +575,18 @@
         stacklight_monitor_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         openstack_control_node01:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common
         stacklight_telemetry_node02:
           params:
             linux_network_interfaces:
-              ens3: ${_param:linux_single_interface}
+              ens3: ${_esc}{_param:linux_single_interface}
           classes:
           - environment.lab03_ovs_dpdk.common