/usr/share/man/man1/dump-ifupdown-scripts-zg2.d-symlinks.1.gz is in ifupdown-scripts-zg2 0.6-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/update-ifupdown-scripts-zg2.d-symlinks.1.gz