Fix the Lan#refresh_lan_items

* Now it only refreshes the interfaces.
* Renamed to refresh_interfaces to make its intention clear.

src/lib/y2network/interfaces_collection.rb

@@ -19,6 +19,7 @@
 
 require "yast"
 require "y2network/interface"
+require "y2network/can_be_copied"
 require "forwardable"
 
 module Y2Network
@@ -41,6 +42,7 @@ module Y2Network
   class InterfacesCollection
     extend Forwardable
     include Yast::Logger
+    include CanBeCopied
 
     # @return [Array<Interface>] List of interfaces
     attr_reader :interfaces

src/modules/Lan.rb

@@ -870,7 +870,7 @@ def ProposeVirtualized
         builder.configure_as_slave
         builder.save
         LanItems.move_routes(builder.name, bridge_builder.name)
-        refresh_lan_items
+        refresh_interfaces
       end
 
       nil
@@ -1044,12 +1044,16 @@ def connected_and_bridgeable?(bridge_builder, interface)
       true
     end
 
-    # Refreshes YaST network configuration
+    # Refreshes YaST network interfaces
     #
-    # It does not modified the system configuration that was already read.
-    def refresh_lan_items
-      yast_config = Y2Network::Config.from(:sysconfig)
-      Yast::Lan.add_config(:yast, yast_config)
+    # It refreshes system configuration and update the list of interfaces
+    # for the current YaST configuration. The rest of the configuration
+    # is not modified.
+    #
+    # TODO: consider adding an API to Y2Network::Config to do partial refreshes.
+    def refresh_interfaces
+      system_config = Y2Network::Config.from(:sysconfig)
+      yast_config.interfaces = system_config.interfaces.copy
     end
 
     # Reads system configuration