Add assertion for IPv6 in verify settings

Co-authored-by: Kenichi Omichi <ken1ohmichi@gmail.com>

roles/kubernetes/preinstall/tasks/0020-verify-settings.yml

@@ -94,8 +94,8 @@
 
 - name: Stop if ip var does not match local ips
   assert:
-    that: ip in ansible_all_ipv4_addresses
-    msg: "'{{ ansible_all_ipv4_addresses }}' do not contain '{{ ip }}'"
+    that: (ip in ansible_all_ipv4_addresses) or (ip in ansible_all_ipv6_addresses)
+    msg: "IPv4: '{{ ansible_all_ipv4_addresses }}' and IPv6: '{{ ansible_all_ipv6_addresses }}' do not contain '{{ ip }}'"
   when:
     - not ignore_assert_errors
     - ip is defined