to those that are universally administered. While it is possible to add locally administered MAC addresses, it's unclear whether those are (expected) to be more unique than random multicast MAC addresses or not. With many U-Boot configurations assigning fixed and non-official MAC addresses to ethernet ports and without setting the 'X' flag, this change may have very little value in the embedded (development) space. Uniqueness of the universally administered addresses is non- existent on the (H/W) bench and questionable under the (S/W) desk. In short: this change is aimed at production environments...