fix too long

files/interfaces.j2

@@ -69,7 +69,7 @@ auto {{br.name}}
 allow-hotplug {{br.name}}
 iface {{br.name}} inet {{br.type}}
 {% if br.links is defined and br.links and br.links | length > 0 %}
-bridge_ports{% for link in br.links %} {% if br.macvlan is defined and br.macvlan %}{{br.name}}{{link | regex_replace('\.', '-')}}{% else %}{{link}}{% endif %}{% endfor %}
+bridge_ports{% for link in br.links %} {% if br.macvlan is defined and br.macvlan %}{{br.name}}{{link | regex_replace('\.', '')}}{% else %}{{link}}{% endif %}{% endfor %}
 
 {% else %}
 bridge_ports none