fix

templates/bird.conf.j2

@@ -39,6 +39,7 @@ protocol bgp {{ protocol_bgp.name }} {
   neighbor {{ protocol_bgp.remote_addr }} as {{ protocol_bgp.remote_asnum }};
   hold time 30;
   ipv4 {
+    import none;
     export filter {
 {% for proto in protocol_bgp.export %}
       if proto = "{{ proto }}" then accept;