/usr/ is in libdune-grid-glue-dev 2.5.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/dune/
/usr/include/dune/grid-glue/
/usr/include/dune/grid-glue/adapter/
/usr/include/dune/grid-glue/adapter/gridglue.cc
/usr/include/dune/grid-glue/adapter/gridglue.hh
/usr/include/dune/grid-glue/adapter/gridglueamirawriter.hh
/usr/include/dune/grid-glue/adapter/gridgluecommunicate.hh
/usr/include/dune/grid-glue/adapter/gridgluevtkwriter.hh
/usr/include/dune/grid-glue/adapter/intersection.hh
/usr/include/dune/grid-glue/adapter/intersectionindexset.hh
/usr/include/dune/grid-glue/adapter/intersectioniterator.hh
/usr/include/dune/grid-glue/adapter/rangegenerators.hh
/usr/include/dune/grid-glue/common/
/usr/include/dune/grid-glue/common/areawriter.hh
/usr/include/dune/grid-glue/common/areawriter_impl.hh
/usr/include/dune/grid-glue/common/crossproduct.hh
/usr/include/dune/grid-glue/common/projection.hh
/usr/include/dune/grid-glue/common/projection_impl.hh
/usr/include/dune/grid-glue/common/projectionwriter.hh
/usr/include/dune/grid-glue/common/projectionwriter_impl.hh
/usr/include/dune/grid-glue/extractors/
/usr/include/dune/grid-glue/extractors/codim0extractor.hh
/usr/include/dune/grid-glue/extractors/codim1extractor.hh
/usr/include/dune/grid-glue/extractors/extractor.hh
/usr/include/dune/grid-glue/extractors/extractorpredicate.hh
/usr/include/dune/grid-glue/extractors/vtksurfacewriter.hh
/usr/include/dune/grid-glue/gridglue.hh
/usr/include/dune/grid-glue/merging/
/usr/include/dune/grid-glue/merging/computeintersection.cc
/usr/include/dune/grid-glue/merging/computeintersection.hh
/usr/include/dune/grid-glue/merging/conformingmerge.hh
/usr/include/dune/grid-glue/merging/contactmerge.cc
/usr/include/dune/grid-glue/merging/contactmerge.hh
/usr/include/dune/grid-glue/merging/merger.hh
/usr/include/dune/grid-glue/merging/overlappingmerge.cc
/usr/include/dune/grid-glue/merging/overlappingmerge.hh
/usr/include/dune/grid-glue/merging/simplexintersection.cc
/usr/include/dune/grid-glue/merging/standardmerge.hh
/usr/lib/
/usr/lib/dunecontrol/
/usr/lib/dunecontrol/dune-grid-glue/
/usr/lib/dunecontrol/dune-grid-glue/dune.module
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/dune-grid-glue/
/usr/lib/x86_64-linux-gnu/cmake/dune-grid-glue/dune-grid-glue-config-version.cmake
/usr/lib/x86_64-linux-gnu/cmake/dune-grid-glue/dune-grid-glue-config.cmake
/usr/lib/x86_64-linux-gnu/cmake/dune-grid-glue/dune-grid-glue-targets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/dune-grid-glue/dune-grid-glue-targets.cmake
/usr/lib/x86_64-linux-gnu/libdunegridglue.so.2.5.0
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/dune-grid-glue.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libdune-grid-glue-dev/
/usr/share/doc/libdune-grid-glue-dev/changelog.Debian.gz
/usr/share/doc/libdune-grid-glue-dev/copyright
/usr/share/dune-grid-glue/
/usr/share/dune-grid-glue/config.h.cmake
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libdune-grid-glue-dev
/usr/lib/x86_64-linux-gnu/libdunegridglue.so