std::string id = netzone.get_name();
if (simgrid::instr::Container::get_root() == nullptr) {
simgrid::instr::NetZoneContainer* root = new simgrid::instr::NetZoneContainer(id, 0, nullptr);
+ xbt_assert(simgrid::instr::Container::get_root() == root);
if (TRACE_smpi_is_enabled()) {
simgrid::instr::ContainerType* mpi = root->type_->by_name_or_create<simgrid::instr::ContainerType>("MPI");