/usr/share/doc/libts-0.0-0-dbg/changelog.Debian.gz is in libts-0.0-0-dbg 1.0-12.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libts-0.0-0-dbg/../libts-0.0-0/changelog.Debian.gz
/usr/share/doc/libts-0.0-0-dbg/../libts-0.0-0/changelog.Debian.gz