Improve logging

juniper-macros.j2

@@ -31,6 +31,10 @@ system {
         file interactive-commands {
             interactive-commands any;
         }
+        file linkupdown {
+            any info;
+            match "LINK_DOWN|LINK_UP";
+        }
         file messages {
             any notice;
             authorization info;
@@ -277,6 +281,7 @@ routing-options {
 {% set name=device['name'] %}
 {% endif %}
     bgp {
+        log-updown;
 {{ bgpoverlaygroup(device) }}
 {% if role == 'Spine' %}
 {{ bgprrmeshgroup(device,spines) }}