Sunan Ibn Majah
244
Sahih+2

It was narrated from Shu'aib bin 'Abdullah bin 'Amr that his father said:"The Messenger of Allah was never seen eating while reclining or making two men walk behind him." (Sahih) Other chains with the same meanings

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi