bluez ebuild copies the same exact md5sum md5sum /etc/bluetooth/bluetooth.conf \ /etc/dbus-1/system.d/bluetooth.conf but that file is meant dbus only policy, but not as bluez bluetooth config file, which is /etc/main.conf
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4e8ca1df77391fd7368ec04d1b96771ade72c405