/usr/share/doc/bilibop-udev/changelog.gz is in bilibop-udev 0.5.4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/bilibop-udev/../bilibop-common/changelog.gz
/usr/share/doc/bilibop-udev/../bilibop-common/changelog.gz