Reproduce RHEL/Fedora slow DNS under virtualbox

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

VAGRANTFILE_API_VERSION = '2'

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  # config.vm.box = 'opscode_centos-6.5'
  # config.vm.box_url = 'http://opscode-vm-bento.s3.amazonaws.com/vagrant/virtualbox/opscode_centos-6.5_chef-provisionerless.box'

  # config.vm.box = 'packer_centos-6.5'
  # config.vm.box_url = 'builds/virtualbox/opscode_centos-6.5-i386_chef-provisionerless.box'

  # config.vm.box = 'opscode_fedora-19'
  # config.vm.box_url = 'http://opscode-vm-bento.s3.amazonaws.com/vagrant/virtualbox/opscode_fedora-19_chef-provisionerless.box'

  config.vm.box = 'packer_fedora-19'
  config.vm.box_url = 'builds/virtualbox/opscode_fedora-19_chef-provisionerless.box'

  # config.vm.box = 'opscode_fedora-20'
  # config.vm.box_url = 'http://opscode-vm-bento.s3.amazonaws.com/vagrant/virtualbox/opscode_fedora-20_chef-provisionerless.box'

  # config.vm.box = 'packer_fedora-20'
  # config.vm.box_url = 'builds/virtualbox/opscode_fedora-20_chef-provisionerless.box'

  script = <<SCRIPT
  while :
do
  curl -o /dev/null https://google.com -w ""
done

SCRIPT
  config.vm.provision 'shell', inline: script

end