add iptables --flush to reset role

roles/reset/tasks/main.yml

@@ -49,6 +49,10 @@
   command: umount {{item}}
   with_items: '{{ mounted_dirs.stdout_lines }}'
 
+- name: flush iptables
+  iptables:
+    flush: yes
+
 - name: reset | delete some files and directories
   file:
     path: "{{ item }}"