When I go to change boot device or start/stop/poweroff a machine through BMC, I get

The page you were looking for doesn't exist.

You may have mistyped the address or the page may have moved.

An example URL is https://10.10.11.2/hosts/my.cool.host.com/bmc?ipmi_device=pxe

Think this is a regression in IPMI/BMC integration as this was working fine in earlier 1.3/1.4 releases