there is an interesting narration where we see that a sahabi desired that he had not heard a hadeeth of prophet

we find

abu saeed says that holy prophet asws said that fear of people should not stop you from saying truth when he has see it or heard it. abu saeed said: i wish i had not heard it  

[musnad ahmad, urdu version, vol 5, page 15]

Sheikh shoaib says in his takhreej of musnad ahmad

sahih sanad on condition of muslim [17/61/11017]

Sheikh hamza says sahih sanad [10/17]