Fix the user playbook

templates/etc_hosts

@@ -25,7 +25,11 @@ ff02::2	  ip6-allrouters
 {% endfor %}
 {% endif %}
 {% endif %}
-{{hostvars[host]['ansible_default_ipv4']['address']|default(hostvars[host]['static_ipv4'])}} {{host}}
+{% if hostvars[host]['ansible_default_ipv4'] is defined %}
+{{hostvars[host]['ansible_default_ipv4']['address']}} {{host}}
+{% else %}
+{{hostvars[host]['static_ipv4']}} {{host}}
+{% endif %}
 {% endif %}
 {% endfor %}