Merge pull request #423 from anduslim/master

Ensure IP is a string and not an array before connecting via UDP socket.

lib/vagrant-libvirt/action/prepare_nfs_settings.rb

@@ -41,8 +41,13 @@ module VagrantPlugins
         # @return [String]
         def read_host_ip(ip)
           UDPSocket.open do |s|
-            s.connect(ip, 1)
-            s.addr.last
+            @logger.info("!!!! ALL IPs #{ip} #{ip.kind_of?(Array)}" )
+            if ip.kind_of?(Array)
+              s.connect(ip[0], 1)
+            else
+              s.connect(ip, 1)
+            end  
+          s.addr.last
           end
         end