Fix simulated_hosts template

This fixes simulated_hosts template to use cluster_ip instead
of ansible_host as source of infra ip.

Change-Id: I02e205c031d94442b3a3debeee8baebaedc7180d
Issue-ID: OOM-1637
Signed-off-by: Michal Zegan <m.zegan@samsung.com>
diff --git a/ansible/roles/dns/templates/simulated_hosts.j2 b/ansible/roles/dns/templates/simulated_hosts.j2
index 637aef6..469ca62 100644
--- a/ansible/roles/dns/templates/simulated_hosts.j2
+++ b/ansible/roles/dns/templates/simulated_hosts.j2
@@ -1,3 +1,3 @@
 {% for host in all_simulated_hosts -%}
-        {{ ansible_host }} {{ host }}
+        {{ cluster_ip }} {{ host }}
 {% endfor %}