Mahmūd bin Ghaylān narrated to us, he said, I said to Abū Dāwud at-Tayālisī: ‘You transmit a great deal on authority of Abbād bin Mansūr - so how is it that you did not hear the Ḥadīth of ‘the lady perfume seller’ from him which an-Naḍr bin Shumayl transmitted to us?’ so we abandoned him ’.
Sahih Muslim · Introduction