diff --git a/puppet/services/container-image-prepare.j2.yaml b/puppet/services/container-image-prepare.j2.yaml
index 2dad0638d3..0ad1b3248e 100644
--- a/puppet/services/container-image-prepare.j2.yaml
+++ b/puppet/services/container-image-prepare.j2.yaml
@@ -47,6 +47,12 @@ parameters:
     type: comma_delimited_list
     default: []
 
+  NeutronMechanismDrivers:
+    default: 'openvswitch'
+    description: |
+        The mechanism drivers for the Neutron tenant network.
+    type: comma_delimited_list
+
 {% for role in roles %}
   # Parameters generated for {{role.name}} Role
   {{role.name}}Services:
@@ -89,6 +95,7 @@ outputs:
                 parameter_defaults:
                   ContainerImagePrepare: {get_param: ContainerImagePrepare}
                   DockerInsecureRegistryAddress: {get_param: DockerInsecureRegistryAddress}
+                  NeutronMechanismDrivers: {get_param: NeutronMechanismDrivers}
 {% for role in roles %}
                   {{role.name}}Services: {get_param: {{role.name}}Services}
                   {{role.name}}Count: {get_param: {{role.name}}Count}