/usr/lib/ is in libdune-common-dev 2.5.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/dunecontrol/
/usr/lib/dunecontrol/dune-common/
/usr/lib/dunecontrol/dune-common/dune.module
/usr/lib/dunemodules.lib
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/dune-common/
/usr/lib/x86_64-linux-gnu/cmake/dune-common/dune-common-config-version.cmake
/usr/lib/x86_64-linux-gnu/cmake/dune-common/dune-common-config.cmake
/usr/lib/x86_64-linux-gnu/cmake/dune-common/dune-common-targets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/dune-common/dune-common-targets.cmake
/usr/lib/x86_64-linux-gnu/libdunecommon.so.2.5.1
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/dune-common.pc
/usr/lib/x86_64-linux-gnu/libdunecommon.so