Merge pull request #8042 from pecameron/bz1560489

dnsmasq - increase dns-forward-max, cache-size

roles/openshift_node/templates/origin-dns.conf.j2

@@ -3,8 +3,8 @@ domain-needed
 no-negcache
 max-cache-ttl=1
 enable-dbus
-dns-forward-max=5000
-cache-size=5000
+dns-forward-max=10000
+cache-size=10000
 bind-dynamic
 {% for interface in openshift_node_dnsmasq_except_interfaces %}
 except-interface={{ interface }}