/usr/share/doc/libmono-profiler/changelog.Debian.gz is in libmono-profiler 4.6.2.7+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libmono-profiler/../libmonosgen-2.0-1/changelog.Debian.gz