knot: fixup

knot-dns/files/knot.conf.j2

@@ -66,8 +66,8 @@ template:
     serial-policy: unixtime
     module: mod-synthrecord/v63786
 {%- for remote in salt['pillar.get']('knot-dns:secondary-remote', []) %}
-  - id: secondary-{{ remote }}
-    master: {{ remote }}
+  - id: secondary-{{ remote.id }}
+    master: {{ remote.id }}
     storage: "/var/lib/knot/secondary"
     file: "%s.zone"
     zonefile-sync: -1