/usr/lib/x86_64-linux-gnu/libdbus-1.so is in libdbus-1-dev 1.4.18-1ubuntu1.8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libdbus-1.so.3.5.8
/lib/x86_64-linux-gnu/libdbus-1.so.3.5.8