/usr/share/doc/libavahi-ui-dev/NEWS.gz is in libavahi-ui-dev 0.6.31-4ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libavahi-ui-dev/../libavahi-common-data/NEWS.gz
/usr/share/doc/libavahi-ui-dev/../libavahi-common-data/NEWS.gz