Merge pull request #7104 from altexdim/fix_centos_networks

Fixed centos 7 networks if using more than 3 ethernet adapters.

plugins/guests/fedora/cap/configure_networks.rb

@@ -25,7 +25,7 @@ module VagrantPlugins
           end
 
           if virtual
-            machine.communicate.sudo("ls /sys/class/net | egrep -v lo\\|docker") do |_, result|
+            machine.communicate.sudo("ls -v /sys/class/net | egrep -v lo\\|docker") do |_, result|
               interface_names = result.split("\n")
             end