Fix issue #396

Author: cmd-ntrf

incus/infrastructure.tf

@@ -154,8 +154,8 @@ locals {
 
   post_inventory = { for host, values in local.inventory :
     host => merge(values, {
-      local_ip  = incus_instance.instances[host].ipv4_address,
-      public_ip = incus_instance.instances[host].ipv4_address,
+      local_ip  = try(incus_instance.instances[host].ipv4_address, ""),
+      public_ip = try(incus_instance.instances[host].ipv4_address, ""),
     })
   }