When converting CentOS 7 OpenVZ systems to KVM sometimes there is no login prompt after loading services. The machine is otherwise operating correctly. Here’s the fix to get the login prompt back:
mv /etc/systemd/system/getty.target.wants/getty\@tty2.service /etc/systemd/system/getty.target.wants/getty\@tty1.service
Afterwards the keyboard input may not work. Rebuilding the initial ramdisk will fix that:
dracut -f