Ali bin al-Madini said: This Ubayd bin Fayruz is from the people of Egypt, and we did not know whether Amr bin al-Harith met him or not. We examined it and found that Amr bin al-Harith did not hear it from Ubayd bin Fayruz.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19095