Quiet output slightly on `destroy`, `halt`, and `reload`

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 0.5.1 (unreleased)
 
+  - No longer show "Disabling host only networks..." if no host only networks
+    are destroyed. Quiets `destroy`, `halt`, etc output a bit.
   - Updated getting started guide to be more up to date and generic. [GH-125]
   - Fixed error with doing a `vagrant up` when no Vagrantfile existed. [GH-128]
   - Fixed NFS erroring when NFS wasn't even enabled if `/etc/exports` doesn't

lib/vagrant/action/vm/disable_networks.rb

@@ -10,10 +10,16 @@ module Vagrant
         end
 
         def call(env)
-          env.logger.info "Disabling host only networks..."
+          logged = false
 
           env["vm"].vm.network_adapters.each do |adapter|
             next if adapter.attachment_type != :host_only
+
+            if !logged
+              env.logger.info "Disabling host only networks..."
+              logged = true
+            end
+
             adapter.enabled = false
             adapter.save
           end