(Boeing r1755) allow specifying multiple controlnet prefixes for distributed sessions
(Boeing r1755)
allow specifying multiple controlnet prefixes for distributed sessions

a callback causes the broker to munge the CONF message so that controlnet
  prefixes are assigned to slave servers by the master server



coreemu/core,coreemu/core,hakiri/core,hakiri/core,hakiri/core,coreemu/core,coreemu/core