Don't run Ansible provision on all boxes because it's still run once for each machine.

Vagrantfile

@@ -9,7 +9,6 @@ Vagrant.configure(2) do |config|
     ansible.sudo = true
     ansible.playbook = "site.yml"
     ansible.verbose = "v"
-    ansible.limit = 'all'
   end
   if Vagrant.has_plugin?("landrush")
     config.landrush.enabled = true