bird: Hacky hack to include OPS-VPN on cr01.

  Nicer solution to be engineered eventually.

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

bird/IGP.conf

@@ -125,5 +125,11 @@ protocol ospf IGP {
 			stub yes;
 		};
 {%- endif %}
+
+{%- if grains['id'].startswith ('cr01') %}
+		interface "tun-ops" {
+			stub yes;
+		};
+{%- endif %}
 	};
 }