Do not allow to configure a loopback interface in multiple areas

src/confd/yang/confd.inc

@@ -27,7 +27,7 @@ MODULES=(
 	"ieee802-dot1q-types@2022-10-29.yang"
 	"infix-ip@2024-09-16.yang"
 	"infix-if-type@2024-01-29.yang"
-	"infix-routing@2024-09-23.yang"
+	"infix-routing@2024-10-01.yang"
 	"ieee802-dot1ab-lldp@2022-03-15.yang"
 	"infix-lldp@2023-08-23.yang"
 	"infix-dhcp-client@2024-09-20.yang"

src/confd/yang/infix-routing.yang

@@ -26,6 +26,10 @@ module infix-routing {
   contact      "kernelkit@googlegroups.com";
   description  "Deviations and augments for ietf-routing and ietf-ospf.";
 
+  revision 2024-10-01 {
+    description "Remove possibility to have loopack in multiple areas.";
+    reference "internal";
+  }
   revision 2024-09-23 {
     description "Augment static routes with optional route-preference (distance).";
     reference "internal";
@@ -272,7 +276,7 @@ module infix-routing {
   }
   deviation "/rt:routing/rt:control-plane-protocols/rt:control-plane-protocol/ospf:ospf/ospf:areas/ospf:area/ospf:interfaces/ospf:interface" {
     deviate add {
-      must "current()/name = 'lo' or count(../../../../ospf:areas/ospf:area/ospf:interfaces/ospf:interface[ospf:name=current()/name]) <= 1" {
+      must "count(../../../../ospf:areas/ospf:area/ospf:interfaces/ospf:interface[ospf:name=current()/name]) <= 1" {
         error-message "Only one area per interface is allowed.";
       }
     }