auto net_model = std::make_shared<NetworkL07Model>("Network_Ptask", this, maxmin_system);
auto engine = simgrid::kernel::EngineImpl::get_instance();
engine->add_model(net_model);
auto net_model = std::make_shared<NetworkL07Model>("Network_Ptask", this, maxmin_system);
auto engine = simgrid::kernel::EngineImpl::get_instance();
engine->add_model(net_model);