update..

roles/common/tasks/motd.yml

@@ -9,10 +9,17 @@
     path: /etc/motd.ORIG
   register: motd_orig_exist
 
+- name: (motd.yml) Check if /etc/motd exist
+  stat:
+    path: /etc/motd
+  register: motd_exist
+
 
 - name: (motd.yml)  Backup existing file /etc/motd
   command: cp -a /etc/motd /etc/motd.ORIG
-  when: motd_orig_exist.stat.exists == False
+  when: 
+   - motd_exist.stat.exists == True
+   - motd_orig_exist.stat.exists == False 
 
 - name: (motd.yml) create /etc/motd
   shell: figlet {{ ansible_hostname }} > /etc/motd