/usr/share/man/man6/jumpnbump-unpack.6.gz is in jumpnbump 1.50+dfsg1-3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man6/jumpnbump.6.gz
/usr/share/man/man6/jumpnbump.6.gz