%Error: t/t_interface_size_bad.v:15: Illegal port connection 'foo', mismatch between port which is an interface array of size 5, and expression which is an interface array of size 4.
   baz baz4_inst (.foo(foo4));
                   ^~~
%Error: t/t_interface_size_bad.v:16: Illegal port connection 'foo', mismatch between port which is an interface array of size 5, and expression which is an interface array of size 6.
   baz baz6_inst (.foo(foo6));
                   ^~~
%Error: Exiting due to
