Look also at the Klei Yokor at the end of Parashas Vayigash that this also contributed to the servitude in Mitzraim. We must remember when living in Ch’l, that we are strangers in a strange land. This is why Moshe Rabbenu called his son Gershon. Also, the Klei Yokor points out in the begining of Parashas Vayechi, for this reason, Yaakov could not reveal the coming of Meshiach.
