NFS version 4 is not supported

Author: usualoma

Vagrantfile

@@ -148,7 +148,6 @@ Vagrant.configure("2") do |config|
     config.vm.synced_folder ".",
         "/home/vagrant/mt-dev",
         type: "nfs",
-        nfs_version: 4,
         nfs_udp: false,
         mount_options: ["noatime", "nolock"]
   else