Default SMB version to 2.0 for linux guest mounts

Fixes #8959

plugins/hosts/windows/cap/smb.rb

@@ -17,6 +17,12 @@ module VagrantPlugins
           true
         end
 
+        # Required options for mounting a share hosted on Windows
+        # NOTE: Windows deprecated smb 1.0 so a minimum of 2.0 must be enabled
+        def self.smb_mount_options(env)
+          ["vers=2.0"]
+        end
+
         def self.smb_validate_password(env, machine, username, password)
           script_path = File.expand_path("../../scripts/check_credentials.ps1", __FILE__)
           args = []

plugins/hosts/windows/plugin.rb

@@ -46,7 +46,7 @@ module VagrantPlugins
         Cap::SMB
       end
 
-      host_capability("windows", "smb_cleanup") do
+      host_capability("windows", "smb_mount_options") do
         require_relative "cap/smb"
         Cap::SMB
       end

test/unit/plugins/hosts/windows/cap/smb_test.rb

@@ -34,6 +34,14 @@ Description : Not Vagrant Owned
     allow(subject).to receive(:sleep)
   end
 
+  describe ".smb_mount_options" do
+    it "should provide smb version of at least 2" do
+      result = subject.smb_mount_options(nil)
+      ver = result.detect{|i| i.start_with?("vers") }.to_s.split("=", 2).last.to_s.to_i
+      expect(ver).to be >= 2
+    end
+  end
+
   describe ".smb_installed" do
     context "when powershell version is greater than 2" do
       it "is valid installation" do