/usr/lib/python2.7/dist-packages/neutron/extensions/ is in python-neutron 1:2014.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/neutron/extensions/__init__.py
/usr/lib/python2.7/dist-packages/neutron/extensions/agent.py
/usr/lib/python2.7/dist-packages/neutron/extensions/allowedaddresspairs.py
/usr/lib/python2.7/dist-packages/neutron/extensions/dhcpagentscheduler.py
/usr/lib/python2.7/dist-packages/neutron/extensions/external_net.py
/usr/lib/python2.7/dist-packages/neutron/extensions/extra_dhcp_opt.py
/usr/lib/python2.7/dist-packages/neutron/extensions/extraroute.py
/usr/lib/python2.7/dist-packages/neutron/extensions/firewall.py
/usr/lib/python2.7/dist-packages/neutron/extensions/flavor.py
/usr/lib/python2.7/dist-packages/neutron/extensions/l3.py
/usr/lib/python2.7/dist-packages/neutron/extensions/l3_ext_gw_mode.py
/usr/lib/python2.7/dist-packages/neutron/extensions/l3agentscheduler.py
/usr/lib/python2.7/dist-packages/neutron/extensions/lbaas_agentscheduler.py
/usr/lib/python2.7/dist-packages/neutron/extensions/loadbalancer.py
/usr/lib/python2.7/dist-packages/neutron/extensions/metering.py
/usr/lib/python2.7/dist-packages/neutron/extensions/multiprovidernet.py
/usr/lib/python2.7/dist-packages/neutron/extensions/portbindings.py
/usr/lib/python2.7/dist-packages/neutron/extensions/portsecurity.py
/usr/lib/python2.7/dist-packages/neutron/extensions/providernet.py
/usr/lib/python2.7/dist-packages/neutron/extensions/quotasv2.py
/usr/lib/python2.7/dist-packages/neutron/extensions/routedserviceinsertion.py
/usr/lib/python2.7/dist-packages/neutron/extensions/routerservicetype.py
/usr/lib/python2.7/dist-packages/neutron/extensions/securitygroup.py
/usr/lib/python2.7/dist-packages/neutron/extensions/servicetype.py
/usr/lib/python2.7/dist-packages/neutron/extensions/vpnaas.py