/usr/ is in gr-air-modes 0.0.0.e47992d-5ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/air_modes/
/usr/lib/x86_64-linux-gnu/libair_modes.so
/usr/include/
/usr/include/gr_air_modes/
/usr/include/gr_air_modes/slicer.h
/usr/include/gr_air_modes/types.h
/usr/include/gr_air_modes/preamble.h
/usr/include/gr_air_modes/api.h
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/air_modes/types.py
/usr/lib/python2.7/dist-packages/air_modes/rx_path.py
/usr/lib/python2.7/dist-packages/air_modes/_air_modes_swig.so
/usr/lib/python2.7/dist-packages/air_modes/Quaternion.py
/usr/lib/python2.7/dist-packages/air_modes/raw_server.py
/usr/lib/python2.7/dist-packages/air_modes/__init__.py
/usr/lib/python2.7/dist-packages/air_modes/air_modes_swig.py
/usr/share/
/usr/lib/python2.7/dist-packages/air_modes/zmq_socket.py
/usr/lib/python2.7/dist-packages/air_modes/modes_rx_ui.py
/usr/lib/python2.7/dist-packages/air_modes/sbs1.py
/usr/lib/python2.7/dist-packages/air_modes/parse.py
/usr/lib/python2.7/dist-packages/air_modes/sql.py
/usr/lib/python2.7/dist-packages/air_modes/html_template.py
/usr/lib/python2.7/dist-packages/air_modes/radio.py
/usr/lib/python2.7/dist-packages/air_modes/gui_model.py
/usr/lib/python2.7/dist-packages/air_modes/flightgear.py
/usr/lib/python2.7/dist-packages/air_modes/mlat.py
/usr/lib/python2.7/dist-packages/air_modes/kml.py
/usr/lib/python2.7/dist-packages/air_modes/az_map.py
/usr/lib/python2.7/dist-packages/air_modes/cpr.py
/usr/lib/python2.7/dist-packages/air_modes/msprint.py
/usr/lib/python2.7/dist-packages/air_modes/exceptions.py
/usr/lib/python2.7/dist-packages/air_modes/altitude.py
/usr/lib/x86_64-linux-gnu/
/usr/share/doc/
/usr/share/doc/gr-air-modes/
/usr/share/doc/gr-air-modes/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/modes_rx.1.gz
/usr/share/man/man1/modes_gui.1.gz
/usr/bin/
/usr/bin/modes_gui
/usr/bin/modes_rx
/usr/share/doc/gr-air-modes/changelog.Debian.gz