Segfault from grid geometry for UGGrid/YaspGrid parallel

Running test_richards_lens_tpfa_parallel_ug or test_richards_lens_tpfa with valgrind on two cores produces

Assemble: r(x^k) = dS/dt + div F - q;   M = grad r==24935== Invalid read of size 4
==24935==    at 0x6605C1: Dumux::CCTpfaFVElementGeometry<Dumux::CCTpfaFVGridGeometry<Dune::GridView<Dune::UGGridLeafGridViewTraits<Dune::UGGrid<2> const> >, false, Dumux::CCTpfaDefaultGridGeometryTraits<Dune::GridView<Dune::UGGridLeafGridViewTraits<Dune::UGGrid<2> const> >, Dumux::DefaultMapperTraits<Dune::GridView<Dune::UGGridLeafGridViewTraits<Dune::UGGrid<2> const> >, Dune::MultipleCodimMultipleGeomTypeMapper<Dune::GridView<Dune::UGGridLeafGridViewTraits<Dune::UGGrid<2> const> >, Dune::Impl::MCMGFailLayout>, Dune::MultipleCodimMultipleGeomTypeMapper<Dune::GridView<Dune::UGGridLeafGridViewTraits<Dune::UGGrid<2> const> >, Dune::Impl::MCMGFailLayout> > > >, false>::makeNeighborGeometries(Dune::Entity<0, 2, Dune::UGGrid<2> const, Dune::UGGridEntity> const&, unsigned int) (fvelementgeometry.hh:472)