Vagrantfile with multiple NICs and additional storage enabled

Vagrantfile

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

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"
  config.vm.network "private_network", ip: "192.168.56.13"
  config.vm.network "private_network", ip: "172.16.32.4"
  config.vm.network "private_network", ip: "172.16.0.7"
  config.vm.hostname = "db2"
  config.vm.synced_folder ".", "/vagrant", disabled: true
  config.vm.network :forwarded_port, guest: 22, host: 2213
  config.vm.provider "virtualbox" do |vb|
    vb.memory = "2048"
    file_to_disk = "D:/vm/optional-storage/db2-disk2.vdi"
    vb.customize [
      'modifyvm', :id, 
      '--natdnshostresolver1', 'on'
    ]
    unless File.exists?(file_to_disk)
      vb.customize [ 
        'createhd',
        '--filename', file_to_disk,
        '--format', 'VDI',
        '--size', 1024
      ]
      vb.customize [ 
        'storageattach', :id,
        '--storagectl', 'IDE',
        '--port', 1,
        '--device', 0,
        '--type', 'hdd',
        '--medium', file_to_disk
      ]
    end
  end
  config.vm.provision "shell", inline: <<-SHELL
    sudo yum -y update
    sudo yum -y install git epel-release
    sudo yum -y install ansible
  SHELL
end