/usr/ is in libindi-dev 0.9.7-0ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/libindi/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libindi.pc
/usr/lib/x86_64-linux-gnu/libindiclient.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libindi-dev/
/usr/share/doc/libindi-dev/copyright
/usr/include/libindi/indiproperty.h
/usr/include/libindi/indilogger.h
/usr/include/libindi/indiccd.h
/usr/include/libindi/baseclient.h
/usr/include/libindi/indidevapi.h
/usr/include/libindi/indiusbdevice.h
/usr/include/libindi/indifilterwheel.h
/usr/include/libindi/lilxml.h
/usr/include/libindi/indiapi.h
/usr/include/libindi/indicontroller.h
/usr/include/libindi/defaultdevice.h
/usr/include/libindi/inditelescope.h
/usr/include/libindi/base64.h
/usr/include/libindi/indifilterinterface.h
/usr/include/libindi/indidriver.h
/usr/include/libindi/indicom.h
/usr/include/libindi/indibase.h
/usr/include/libindi/indiguiderinterface.h
/usr/include/libindi/basedevice.h
/usr/include/libindi/indifocuser.h
/usr/include/libindi/eventloop.h
/usr/lib/x86_64-linux-gnu/libindimain.so
/usr/lib/x86_64-linux-gnu/libindidriver.so
/usr/lib/x86_64-linux-gnu/libindi.so
/usr/share/doc/libindi-dev/changelog.Debian.gz