I finally gave up directly installing 4.5.2 and 4.5.1. I went back to freshly install
4.4.10 ovirt node and then deployed the 4.4.10 self-hosted engine using the workaround
here
https://lists.ovirt.org/archives/list/users@ovirt.org/thread/SBCWNXLFLJBK...
to get the self-hosted to complete the installation. Once it's up I used the GUI to
update it to 4.5.2.