/usr/share/man/man3/ipq_get_packet.3.gz is in iptables-dev 1.4.12-1ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/ipq_message_type.3.gz
/usr/share/man/man3/ipq_message_type.3.gz