From d90da43f8583098bdc738ce2ebb72899d0f0cae3 Mon Sep 17 00:00:00 2001
From: Andus Lim <yuncai83@gmail.com>
Date: Tue, 23 Jun 2015 09:58:21 +0800
Subject: [PATCH] Ensure IP is a string and not an array before connecting via
 UDP socket.

---
 lib/vagrant-libvirt/action/prepare_nfs_settings.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/vagrant-libvirt/action/prepare_nfs_settings.rb b/lib/vagrant-libvirt/action/prepare_nfs_settings.rb
index b74268a..9bc24a1 100644
--- a/lib/vagrant-libvirt/action/prepare_nfs_settings.rb
+++ b/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