%Error: t/t_interface_param_another_bad.v:9:36: Expecting expression to be constant, but variable isn't const: 'dummy'
                                              : ... note: In instance 't'
    9 |    simple_bus #(.PARAMETER(sb_intf.dummy)) simple();
      |                                    ^~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_interface_param_another_bad.v:9:18: Can't convert defparam value to constant: Param 'PARAMETER' of 'simple'
                                              : ... note: In instance 't'
    9 |    simple_bus #(.PARAMETER(sb_intf.dummy)) simple();
      |                  ^~~~~~~~~
%Error: Exiting due to