"It is from the SUnnah to leave for the Eid walking, and to eat something before leaving."
Jami` at-Tirmidhi Book 5, Hadith 1
← Previous Hadith (Another route for the same chain) similar in meaning.

Jami` at-Tirmidhi Book 4, Hadith 42 Next Hadith → "Allah's Messenger, Abu Bakr, and Umar would pray during the two Eid before the Khutbah, then they would give the Khutbah."

Jami` at-Tirmidhi Book 5, Hadith 2