diff --git a/etc/openstack_deploy/openstack_user_config.yml.aio b/etc/openstack_deploy/openstack_user_config.yml.aio
index ffb8aafb3f..1b3c44cabc 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.aio
+++ b/etc/openstack_deploy/openstack_user_config.yml.aio
@@ -106,7 +106,7 @@ global_overrides:
         container_interface: "eth11"
         type: "vlan"
         range: "101:200,301:400"
-        net_name: "physnet1"
+        net_name: "physnet2"
         group_binds:
           - neutron_linuxbridge_agent
     - network:
diff --git a/etc/openstack_deploy/openstack_user_config.yml.aio.j2 b/etc/openstack_deploy/openstack_user_config.yml.aio.j2
index d1da920261..fb21b5a3ee 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.aio.j2
+++ b/etc/openstack_deploy/openstack_user_config.yml.aio.j2
@@ -162,6 +162,7 @@ global_overrides:
         container_interface: "eth12"
         host_bind_override: "eth12"
         type: "flat"
+        # ensure that public network is consistently physnet1 between OVS / OVN and Linuxbridge
         net_name: "physnet1"
         group_binds:
           - neutron_linuxbridge_agent
@@ -171,7 +172,8 @@ global_overrides:
         container_interface: "eth11"
         type: "vlan"
         range: "101:200,301:400"
-        net_name: "physnet1"
+        # special case for project networks - cannot re-use the physnet1 label with Linuxbridge
+        net_name: "physnet2"
         group_binds:
           - neutron_linuxbridge_agent
 {% else %}
diff --git a/etc/openstack_deploy/openstack_user_config.yml.example b/etc/openstack_deploy/openstack_user_config.yml.example
index bfdb77aa45..1c00457fd3 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.example
+++ b/etc/openstack_deploy/openstack_user_config.yml.example
@@ -295,7 +295,7 @@
 #         container_interface: "eth12"
 #         host_bind_override: "eth12"
 #         type: "flat"
-#         net_name: "physnet1"
+#         net_name: "physnet2"
 #
 # --------
 #
diff --git a/etc/openstack_deploy/openstack_user_config.yml.pod.example b/etc/openstack_deploy/openstack_user_config.yml.pod.example
index 6baafa6c26..1f640b0af4 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.pod.example
+++ b/etc/openstack_deploy/openstack_user_config.yml.pod.example
@@ -181,7 +181,7 @@ global_overrides:
         container_interface: "eth12"
         host_bind_override: "eth12"
         type: "flat"
-        net_name: "physnet1"
+        net_name: "physnet2"
         group_binds:
           - neutron_linuxbridge_agent
     - network:
diff --git a/etc/openstack_deploy/openstack_user_config.yml.prod-ceph.example b/etc/openstack_deploy/openstack_user_config.yml.prod-ceph.example
index 8f90108a62..405957365c 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.prod-ceph.example
+++ b/etc/openstack_deploy/openstack_user_config.yml.prod-ceph.example
@@ -57,7 +57,7 @@ global_overrides:
         container_interface: "eth11"
         type: "vlan"
         range: "101:200,301:400"
-        net_name: "physnet1"
+        net_name: "physnet2"
         group_binds:
           - neutron_linuxbridge_agent
     - network:
diff --git a/etc/openstack_deploy/openstack_user_config.yml.prod.example b/etc/openstack_deploy/openstack_user_config.yml.prod.example
index 7c8d96f3fa..b44b6dcf8a 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.prod.example
+++ b/etc/openstack_deploy/openstack_user_config.yml.prod.example
@@ -56,7 +56,7 @@ global_overrides:
         container_interface: "eth11"
         type: "vlan"
         range: "101:200,301:400"
-        net_name: "physnet1"
+        net_name: "physnet2"
         group_binds:
           - neutron_linuxbridge_agent
     - network:
diff --git a/etc/openstack_deploy/openstack_user_config.yml.provnet-group.example b/etc/openstack_deploy/openstack_user_config.yml.provnet-group.example
index d80e9c04f8..47abe1ad92 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.provnet-group.example
+++ b/etc/openstack_deploy/openstack_user_config.yml.provnet-group.example
@@ -81,7 +81,7 @@ global_overrides:
         host_bind_override: "ens1f0"
         type: "vlan"
         range: "101:200,301:400"
-        net_name: "physnet1"
+        net_name: "physnet2"
         group_binds:
           - network_hosts
     #
diff --git a/etc/openstack_deploy/openstack_user_config.yml.test.example b/etc/openstack_deploy/openstack_user_config.yml.test.example
index 0f13d0e982..6917928c3b 100644
--- a/etc/openstack_deploy/openstack_user_config.yml.test.example
+++ b/etc/openstack_deploy/openstack_user_config.yml.test.example
@@ -52,7 +52,7 @@ global_overrides:
         container_interface: "eth11"
         type: "vlan"
         range: "101:200,301:400"
-        net_name: "physnet1"
+        net_name: "physnet2"
         group_binds:
           - neutron_linuxbridge_agent
     - network: