To confirm Toni's comment, my testing yields the same result: $ vboxmanage --version 5.0.20r106931
$ vagrant --version Vagrant 1.8.1 $ vagrant box list | grep xenial ubuntu/xenial64 (virtualbox, 20160531.0.0) $ vagrant init ubuntu/xenial64 $ vagrant up $ vagrant ssh -- sudo grep hosts /etc/nsswitch.conf sudo: unable to resolve host ubuntu-xenial hosts: files dns -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1561250 Title: Xenial vagrant image is missing its hostname in /etc/hosts To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/1561250/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs