MAC Masquerade

Hi j30046616 , 

I tried to break this rule before of flipping ( second-to-last bit from 0 to 1 ) and it didn't work.

It's not depending only adding 02 hex , it's just a shorthand way to create a unique one. 

If you look at the second example: 

 it just follows the rule of of flipping ( second-to-last bit from 0 to 1 )