/usr/lib/python2.7/ is in python-openvswitch 2.0.1+git20140120-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/ovs/
/usr/lib/python2.7/dist-packages/ovs/db/
/usr/lib/python2.7/dist-packages/ovs/unixctl/
/usr/lib/python2.7/dist-packages/ovs/stream.py
/usr/lib/python2.7/dist-packages/ovs/daemon.py
/usr/lib/python2.7/dist-packages/ovs/util.py
/usr/lib/python2.7/dist-packages/ovs/db/parser.py
/usr/lib/python2.7/dist-packages/ovs/db/types.py
/usr/lib/python2.7/dist-packages/ovs/db/data.py
/usr/lib/python2.7/dist-packages/ovs/db/error.py
/usr/lib/python2.7/dist-packages/ovs/db/__init__.py
/usr/lib/python2.7/dist-packages/ovs/db/idl.py
/usr/lib/python2.7/dist-packages/ovs/db/schema.py
/usr/lib/python2.7/dist-packages/ovs/unixctl/client.py
/usr/lib/python2.7/dist-packages/ovs/unixctl/server.py
/usr/lib/python2.7/dist-packages/ovs/unixctl/__init__.py
/usr/lib/python2.7/dist-packages/ovs/jsonrpc.py
/usr/lib/python2.7/dist-packages/ovs/socket_util.py
/usr/lib/python2.7/dist-packages/ovs/timeval.py
/usr/lib/python2.7/dist-packages/ovs/dirs.py
/usr/lib/python2.7/dist-packages/ovs/reconnect.py
/usr/lib/python2.7/dist-packages/ovs/process.py
/usr/lib/python2.7/dist-packages/ovs/fatal_signal.py
/usr/lib/python2.7/dist-packages/ovs/poller.py
/usr/lib/python2.7/dist-packages/ovs/ovsuuid.py
/usr/lib/python2.7/dist-packages/ovs/__init__.py
/usr/lib/python2.7/dist-packages/ovs/version.py
/usr/lib/python2.7/dist-packages/ovs/json.py
/usr/lib/python2.7/dist-packages/ovs/vlog.py