read_ip_address linux cap only reads ip of first device [GH-1799]

CHANGELOG.md

@@ -31,6 +31,8 @@ BUG FIXES:
     errors. [GH-1691]
   - Setting hostname on SLES 11 works again. [GH-1781]
   - `config.vm.guest` properly forces guests again. [GH-1800]
+  - The `read_ip_address` capability for linux properly reads the IP
+    of only the first network interface. [GH-1799]
 
 ## 1.2.2 (April 23, 2013)
 

plugins/guests/linux/cap/read_ip_address.rb

@@ -3,13 +3,13 @@ module VagrantPlugins
     module Cap
       class ReadIPAddress
         def self.read_ip_address(machine)
-          command = "ifconfig  | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'"
+          command = "ifconfig  | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1 }'"
           result  = ""
           machine.communicate.execute(command) do |type, data|
             result << data if type == :stdout
           end
 
-          result.chomp
+          result.chomp.split("\n").first
         end
       end
     end