/usr/ is in mcollective-plugins-iptables 0.0.0~git20120507.df2fa81-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mcollective/plugins/mcollective/application/
/usr/share/
/usr/share/mcollective/
/usr/share/mcollective/plugins/
/usr/share/mcollective/plugins/mcollective/
/usr/share/mcollective/plugins/mcollective/agent/
/usr/share/mcollective/plugins/mcollective/agent/iptables.ddl
/usr/share/mcollective/plugins/mcollective/agent/iptables.rb
/usr/share/mcollective/plugins/mcollective/application/iptables.rb
/usr/share/doc/
/usr/share/doc/mcollective-plugins-iptables/
/usr/share/doc/mcollective-plugins-iptables/README.markdown
/usr/share/doc/mcollective-plugins-iptables/copyright
/usr/share/doc/mcollective-plugins-iptables/changelog.Debian.gz