message: Add a check to prevent bad results on parallel shared faces in case
  of Nedelec NC tets of order >= 2.
diff: @@ -2294,6 +2294,12 @@ int ParFiniteElementSpace
  Array<int> *dof_tdof,
  bool partial) const
  {
  + // TODO: general face DOF transformations in NeighborRowMessage::Decode()
  + MFEM_VERIFY(!(fec->GetOrder() >= 2
  + && pmesh->HasGeometry(Geometry::TETRAHEDRON)
  + && fec->GetContType() == FiniteElementCollection::TANGENTIAL),
  + "Nedelec NC tets of order >= 2 are not supported yet.");
  +
  bool dg = (nvdofs == 0 && nedofs == 0 && nfdofs == 0);
  #ifdef MFEM_PMATRIX_STATS
  