When breeding an event pokemon such as violedge, you have a
possibility of getting event eggs. However, most of the eggs are
just normal pokemon, honedge in this case.
Yes, the chance are pretty low ( I would roughly say 2 egg out of
10 is event, depending on your luck it may be better or worse). The
perfect Match only tells you how likely they are to produce an egg,
but not which egg you get