Check both stderr and stdout

Different vbox versions print this to different streams, so check both
just to be sure

plugins/providers/virtualbox/driver/version_4_1.rb

@@ -129,7 +129,8 @@ module VagrantPlugins
 
           result.sort
         rescue Vagrant::Errors::VBoxManageError => e
-          return [] if e.extra_data[:stderr].include?("does not have")
+          d = e.extra_data
+          return [] if d[:stderr].include?("does not have") || d[:stdout].include?("does not have")
           raise
         end
 

plugins/providers/virtualbox/driver/version_4_2.rb

@@ -656,7 +656,8 @@ module VagrantPlugins
 
           result.sort
         rescue Vagrant::Errors::VBoxManageError => e
-          return [] if e.extra_data[:stdout].include?("does not have")
+          d = e.extra_data
+          return [] if d[:stderr].include?("does not have") || d[:stdout].include?("does not have")
           raise
         end
 

plugins/providers/virtualbox/driver/version_4_3.rb

@@ -135,7 +135,8 @@ module VagrantPlugins
 
           result.sort
         rescue Vagrant::Errors::VBoxManageError => e
-          return [] if e.extra_data[:stdout].include?("does not have")
+          d = e.extra_data
+          return [] if d[:stderr].include?("does not have") || d[:stdout].include?("does not have")
           raise
         end
 

plugins/providers/virtualbox/driver/version_5_0.rb

@@ -131,7 +131,8 @@ module VagrantPlugins
 
           result.sort
         rescue Vagrant::Errors::VBoxManageError => e
-          return [] if e.extra_data[:stdout].include?("does not have")
+          d = e.extra_data
+          return [] if d[:stderr].include?("does not have") || d[:stdout].include?("does not have")
           raise
         end