/usr/lib/x86_64-linux-gnu/libdbus-1.so is in libdbus-1-dev 1.10.6-1ubuntu3.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libdbus-1.so.3.14.6
/lib/x86_64-linux-gnu/libdbus-1.so.3.14.6