Complex sentence: But there is no necessary for such this interface that unicast address greater than link scope, which means from non-neighbour or to non-neighbour these interfaces that they are not source and destination of IPv9 packets either.
Split into simpler sentences: But there is no necessity for this interface that unicast addresses would have to be greater than link scope, which means from non-neighbour or to non-neighbour. These interfaces are not source and destination of IPv9 packets either.