/usr/share/doc/neutron-plugin-linuxbridge-agent/NEWS.Debian.gz is in neutron-plugin-linuxbridge-agent 1:2014.1-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/neutron-plugin-linuxbridge-agent/../python-neutron/NEWS.Debian.gz