What is the central ambiguity in “al-Aswad ibn Yazīd” and “Yazīd ibn al-Aswad”?

Narrator Name Ambiguities: Identical, Variant, Similar, and Reversed Names

• Both narrators come from the same city
• The hadith is mursal
• Given name and patronymic are reversed
• The narrator is majhūl al-ḥāl