don't listen dns on masq interface

files/dnsmasq/dnsmasq.conf.j2

 server=127.0.0.1#55553
 no-resolv
 strict-order
-interface=lo{% for br in bridges %},{{br.name}}{% endfor %}{% if dnsmasq.extraInterfaces is defined %}{% for interface in dnsmasq.extraInterfaces %},{{interface}}{% endfor %}{% endif %}
+interface=lo{% for br in bridges %}{% if not br.masq %},{{br.name}}{% endif %}{% endfor %}{% if dnsmasq.extraInterfaces is defined %}{% for interface in dnsmasq.extraInterfaces %},{{interface}}{% endfor %}{% endif %}
 
 bind-interfaces
 port=53