%Error: t/t_interface_typo_bad.v:14:4: Parent cell's interface is not found: 'foo_intf'
   14 |    foo_intf foo
      |    ^~~~~~~~
%Error: t/t_interface_typo_bad.v:22:4: Cannot find file containing interface: 'fo_intf'
   22 |    fo_intf the_foo;
      |    ^~~~~~~
%Error: t/t_interface_typo_bad.v:27:15: Found definition of 'the_foo' as a CELL but expected a variable
   27 |         .foo (the_foo)
      |               ^~~~~~~
%Error: Exiting due to
