Bugfix for wait_for_ssh for waiting for connectivity

Bug: https://bugs.launchpad.net/openstack-ansible/+bug/1682481 this
causes issues when using an SSH gateway yet this is simply doing a basic
check for port 22 connectivity.

Change-Id: If389eb9ff727bad915fb3dceb6c0571f3362501e

playbooks/lxc-containers-create.yml

@@ -26,12 +26,12 @@
     - role: "lxc_container_create"
   post_tasks:
     - name: Wait for ssh to be available
-      local_action:
-        module: wait_for
+      wait_for:
         port: "22"
         host: "{{ ansible_host | default(inventory_hostname) }}"
         search_regex: OpenSSH
         delay: 1
+      delegate_to: "{{ physical_host }}"
   vars:
     is_metal: "{{ properties.is_metal|default(false) }}"
   tags: