/usr/lib/x86_64-linux-gnu/libdconf-dbus-1.so is in libdconf-dbus-1-dev 0.12.0-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libdconf-dbus-1.so.0.0.0
/usr/lib/x86_64-linux-gnu/libdconf-dbus-1.so.0.0.0