/usr/share/doc/libsmokeqtuitools4-3/changelog.Debian.gz is in libsmokeqtuitools4-3 4:4.8.2-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsmokeqtuitools4-3/../libsmokeqtcore4-3/changelog.Debian.gz