Added additional IPs to no_proxy variable

Tempest tries to hit these new IPs for authentication

Change-Id: If6b291ce6ffcb913f9c6be7cb7d408fb6e4d7675

devstack/Vagrantfile

@@ -16,7 +16,7 @@ Vagrant.configure(2) do |config|
       config.proxy.https = ENV["https_proxy"]
     end
     if ENV["no_proxy"]
-      config.proxy.no_proxy = ENV["no_proxy"]
+      config.proxy.no_proxy = ENV["no_proxy"] + ',192.168.10.6,10.0.2.15'
     end
 
   end