vagrant: fix port/ip collision

maintenance/vagrant/centos-7-anaconda-3/Vagrantfile

@@ -5,6 +5,6 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.provider "virtualbox" do |vb|
      vb.customize ["modifyvm", :id, "--memory", "3072"]
   end
-  config.vm.network :private_network, ip: '192.168.115.11'
-  config.vm.network :forwarded_port, guest: 22, host: 22011, id: 'ssh'
+  config.vm.network :private_network, ip: '192.168.115.12'
+  config.vm.network :forwarded_port, guest: 22, host: 22012, id: 'ssh'
 end