/usr/include/dune/ is in libdune-grid-glue-dev 2.4.0-1build1.
This file is owned by root:root, with mode 0o755.
..
/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/crossproduct.hh
/usr/include/dune/grid-glue/common/multivector.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/common/simplexgeometry.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/psurfacemerge.hh
/usr/include/dune/grid-glue/merging/simplexintersection.cc
/usr/include/dune/grid-glue/merging/standardmerge.hh