plugins/providers/virtualbox/action/prepare_nfs_settings.rb in vagrantup-1.1.0 vs plugins/providers/virtualbox/action/prepare_nfs_settings.rb in vagrantup-1.1.1

@@ -10,9 +10,11 @@
         def call(env)
           @app.call(env)
 
           env[:nfs_host_ip]    = read_host_ip(env[:machine])
           env[:nfs_machine_ip] = read_machine_ip(env[:machine])
+
+          raise Errors::NFSNoHostonlyNetwork if !env[:nfs_machine_ip]
         end
 
         # Returns the IP address of the first host only network adapter
         #
         # @param [Machine] machine