lib/asbestos/host.rb in asbestos-0.0.5 vs lib/asbestos/host.rb in asbestos-0.0.6

@@ -117,10 +117,10 @@
   #
   #   interface :internal, :eth4, 'bar' #=> address is "bar"
   # end
   #
   def interface(tag, if_names, address = nil, &block)
-    interfaces = [*@interfaces[tag], *if_names].compact
+    interfaces = [*@interfaces[tag], *if_names].compact.uniq
     raise "single address, #{address}, given for multiple interfaces, #{interfaces}, on host #{name}" if interfaces.length > 1 && address
 
     @interfaces[tag] = interfaces
 
     # determine the address for each interface