rename peer.bgp4o6 attribute to peer.multiprotocol

templates/bird2/peer.conf.j2

@@ -1,11 +1,11 @@
-{% if peer.v4 is defined and not peer.bgp4o6 is defined %}
-protocol bgp {{ peer.name }} from dnpeers{% if not peer.bgp4o6 is defined %}_v4{% endif %} {
+{% if peer.v4 is defined and not peer.multiprotocol is defined %}
+protocol bgp {{ peer.name }} from dnpeers{% if not peer.multiprotocol is defined %}_v4{% endif %} {
   neighbor {{ peer.v4 }} as {{ peer.as }};
 };
 {% endif %}
 
 {% if peer.v6 is defined %}
-protocol bgp {{ peer.name }}_v6 from dnpeers{% if not peer.bgp4o6 is defined %}_v6{% endif %} {
+protocol bgp {{ peer.name }}_v6 from dnpeers{% if not peer.multiprotocol is defined %}_v6{% endif %} {
   # if you use link-local ipv6 addresses for peering using the following
   neighbor {{ peer.v6 }}%{{ peer.if.name | default('dn42_' + peer.name) }} as {{ peer.as }};
 {% if peer.debug is defined %}