Musnad Ahmad 334:26

Yahya ibn Ghaylan narrated to us, he said: Al-Mufaddal ibn Fadalah narrated to us, he said: Yahya ibn Ayyub narrated to me, from Bukayr ibn Abdullah, from Yazid, the freed slave of Salamah ibn al-Akwa’, from Salamah ibn al-Akwa’ who said: I came to the Messenger of Allah, peace and blessings of Allah be upon him, and I said: O Messenger of Allah. He said: "You are the people of our desert, and we are the people of your settled land."