diff --git a/ansible/roles/neutron/handlers/main.yml b/ansible/roles/neutron/handlers/main.yml
index 58d77b0961..1cf0c7554c 100644
--- a/ansible/roles/neutron/handlers/main.yml
+++ b/ansible/roles/neutron/handlers/main.yml
@@ -210,6 +210,7 @@
       or neutron_l3_agent_ini | changed
       or neutron_fwaas_driver_ini | changed
       or policy_json | changed
+      or neutron_l3_agent_wrapper | changed
       or neutron_l3_agent_container | changed
 
 - name: Restart neutron-lbaas-agent container
@@ -290,6 +291,7 @@
       or neutron_fwaas_driver_ini | changed
       or neutron_vpnaas_agent_ini | changed
       or policy_json | changed
+      or neutron_vpnaas_agent_wrapper | changed
       or neutron_vpnaas_agent_container | changed
 
 - name: Restart neutron-bgp-dragent container
diff --git a/ansible/roles/neutron/tasks/config.yml b/ansible/roles/neutron/tasks/config.yml
index bbb70b39f8..1e884dcbc5 100644
--- a/ansible/roles/neutron/tasks/config.yml
+++ b/ansible/roles/neutron/tasks/config.yml
@@ -310,6 +310,34 @@
   notify:
     - "Restart {{ item.key }} container"
 
+- name: Copy neutron-l3-agent-wrapper script
+  vars:
+    service_name: "neutron-l3-agent"
+    service: "{{ neutron_services[service_name] }}"
+  template:
+    src: neutron-l3-agent-wrapper.sh.j2
+    dest: "{{ node_config_directory }}/{{ service_name }}/neutron-l3-agent-wrapper.sh"
+  register: neutron_l3_agent_wrapper
+  when:
+    - service.enabled | bool
+    - service.host_in_groups | bool
+  notify:
+    - "Restart {{ service_name }} container"
+
+- name: Copy neutron-vpnaas-agent-wrapper script
+  vars:
+    service_name: "neutron-vpnaas-agent"
+    service: "{{ neutron_services[service_name] }}"
+  template:
+    src: neutron-vpnaas-agent-wrapper.sh.j2
+    dest: "{{ node_config_directory }}/{{ service_name }}/neutron-vpnaas-agent-wrapper.sh"
+  register: neutron_vpnaas_agent_wrapper
+  when:
+    - service.enabled | bool
+    - service.host_in_groups | bool
+  notify:
+    - "Restart {{ service_name }} container"
+
 # TODO check the environment change
 - name: Check neutron containers
   kolla_docker:
diff --git a/ansible/roles/neutron/templates/neutron-l3-agent-wrapper.sh.j2 b/ansible/roles/neutron/templates/neutron-l3-agent-wrapper.sh.j2
new file mode 100644
index 0000000000..2198ce0a99
--- /dev/null
+++ b/ansible/roles/neutron/templates/neutron-l3-agent-wrapper.sh.j2
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -o errexit
+
+# NOTE(jeffrey4l): Remove all l3 related netns in case of multiple active routers in l3 high available mode.
+neutron-netns-cleanup \
+        --config-file /etc/neutron/neutron.conf \
+        --config-file /etc/neutron/l3_agent.ini \
+        --config-file /etc/neutron/fwaas_driver.ini \
+        --force --agent-type l3
+
+neutron-l3-agent \
+        --config-file /etc/neutron/neutron.conf \
+        --config-file /etc/neutron/l3_agent.ini \
+        --config-file /etc/neutron/fwaas_driver.ini
diff --git a/ansible/roles/neutron/templates/neutron-l3-agent.json.j2 b/ansible/roles/neutron/templates/neutron-l3-agent.json.j2
index dc2ce84ece..271426b012 100644
--- a/ansible/roles/neutron/templates/neutron-l3-agent.json.j2
+++ b/ansible/roles/neutron/templates/neutron-l3-agent.json.j2
@@ -1,6 +1,12 @@
 {
-    "command": "neutron-l3-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/l3_agent.ini --config-file /etc/neutron/fwaas_driver.ini",
+    "command": "/usr/local/bin/neutron-l3-agent-wrapper.sh",
     "config_files": [
+        {
+            "source": "{{ container_config_directory }}/neutron-l3-agent-wrapper.sh",
+            "dest": "/usr/local/bin/neutron-l3-agent-wrapper.sh",
+            "owner": "root",
+            "perm": "0755"
+        },
         {
             "source": "{{ container_config_directory }}/neutron.conf",
             "dest": "/etc/neutron/neutron.conf",
diff --git a/ansible/roles/neutron/templates/neutron-vpnaas-agent-wrapper.sh.j2 b/ansible/roles/neutron/templates/neutron-vpnaas-agent-wrapper.sh.j2
new file mode 100644
index 0000000000..23fe3dc67f
--- /dev/null
+++ b/ansible/roles/neutron/templates/neutron-vpnaas-agent-wrapper.sh.j2
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -o errexit
+
+# NOTE(jeffrey4l): Remove all l3 related netns in case of multiple active routers in l3 high available mode.
+neutron-netns-cleanup \
+        --config-file /etc/neutron/neutron.conf \
+        --config-file /etc/neutron/fwaas_driver.ini \
+        --config-file /etc/neutron/l3_agent.ini \
+        --force --agent-type l3
+
+neutron-vpn-agent \
+        --config-file /etc/neutron/neutron.conf \
+        --config-file /etc/neutron/fwaas_driver.ini \
+        --config-file /etc/neutron/l3_agent.ini \
+        --config-file /etc/neutron/vpnaas_agent.ini
diff --git a/ansible/roles/neutron/templates/neutron-vpnaas-agent.json.j2 b/ansible/roles/neutron/templates/neutron-vpnaas-agent.json.j2
index 95e776f353..fce4ecd8ae 100644
--- a/ansible/roles/neutron/templates/neutron-vpnaas-agent.json.j2
+++ b/ansible/roles/neutron/templates/neutron-vpnaas-agent.json.j2
@@ -1,6 +1,12 @@
 {
-    "command": "neutron-vpn-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/fwaas_driver.ini --config-file /etc/neutron/l3_agent.ini --config-file /etc/neutron/vpnaas_agent.ini",
+    "command": "/usr/local/bin/neutron-vpnaas-agent-wrapper.sh",
     "config_files": [
+        {
+            "source": "{{ container_config_directory }}/neutron-vpnaas-agent-wrapper.sh",
+            "dest": "/usr/local/bin/neutron-vpnaas-agent-wrapper.sh",
+            "owner": "root",
+            "perm": "0755"
+        },
         {
             "source": "{{ container_config_directory }}/neutron.conf",
             "dest": "/etc/neutron/neutron.conf",