use bytes for coordination
use bytes for coordination

tooz wants bytes, let's give it to it.

Change-Id: I60b1cd6a6ab52aa8aad76a07dee8aea9f61a4633

sileht/gnocchi,leandroreox/gnocchi,gnocchixyz/gnocchi,sileht/gnocchi,gnocchixyz/gnocchi,leandroreox/gnocchi