/usr/share/doc/siscone-examples/changelog.Debian.gz is in siscone-examples 2.0.6-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/siscone-examples/../libsiscone0/changelog.Debian.gz
/usr/share/doc/siscone-examples/../libsiscone0/changelog.Debian.gz