/usr/lib/x86_64-linux-gnu/libxkbcommon-x11.so is in libxkbcommon-x11-dev 0.4.1-0ubuntu1.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libxkbcommon-x11.so.0.0.0
/usr/lib/x86_64-linux-gnu/libxkbcommon-x11.so.0.0.0