python3 -m fmpy simulate  --output-file Buildings_11_Buildings.Fluid.Interfaces.Examples.EightPortHeatMassExchanger_res.csv --start-time 0 --stop-time 5 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.002 Buildings_11_Buildings_Fluid_Interfaces_Examples_EightPortHeatMassExchanger.fmu