diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 88ac991167..e9b55b6b02 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -138,6 +138,9 @@ Q_NOTIFY_NOVA_PORT_DATA_CHANGES=${Q_NOTIFY_NOVA_PORT_DATA_CHANGES:-True}
 VIF_PLUGGING_IS_FATAL=${VIF_PLUGGING_IS_FATAL:-True}
 VIF_PLUGGING_TIMEOUT=${VIF_PLUGGING_TIMEOUT:-300}
 
+# Allow to skip stopping of OVN services
+SKIP_STOP_OVN=${SKIP_STOP_OVN:-False}
+
 # The directory which contains files for Q_PLUGIN_EXTRA_CONF_FILES.
 # /etc/neutron is assumed by many of devstack plugins.  Do not change.
 _Q_PLUGIN_EXTRA_CONF_PATH=/etc/neutron
@@ -638,7 +641,7 @@ function stop_mutnauq {
     stop_mutnauq_other
     stop_mutnauq_l2_agent
 
-    if [[ $Q_AGENT == "ovn" ]]; then
+    if [[ $Q_AGENT == "ovn" && $SKIP_STOP_OVN != "True" ]]; then
         stop_ovn
     fi
 }
diff --git a/lib/neutron_plugins/ovn_agent b/lib/neutron_plugins/ovn_agent
index 9022f2d382..dfd55deae5 100644
--- a/lib/neutron_plugins/ovn_agent
+++ b/lib/neutron_plugins/ovn_agent
@@ -395,6 +395,8 @@ function install_ovn {
         sudo mkdir -p $OVS_PREFIX/var/log/ovn
         sudo chown $(whoami) $OVS_PREFIX/var/log/ovn
     else
+        # Load fixup_ovn_centos
+        source ${TOP_DIR}/tools/fixup_stuff.sh
         fixup_ovn_centos
         install_package $(get_packages openvswitch)
         install_package $(get_packages ovn)