[WSGI] Keep eventlet server for older versions of NDR

Related-Bug: #2069581
Topic: eventlet-deprecation
Change-Id: I76e1ec7d5a82ed6416b12b3866c70a0d3127eb24
diff --git a/zuul.d/2023_1_jobs.yaml b/zuul.d/2023_1_jobs.yaml
index 26b1efb..706a5d6 100644
--- a/zuul.d/2023_1_jobs.yaml
+++ b/zuul.d/2023_1_jobs.yaml
@@ -278,6 +278,9 @@
     parent: neutron-tempest-plugin-dynamic-routing
     nodeset: openstack-single-node-jammy
     override-checkout: stable/2023.1
+    vars:
+      devstack_localrc:
+        NEUTRON_DEPLOY_MOD_WSGI: false
 
 - job:
     name: neutron-tempest-plugin-fwaas-2023-1