---
upgrade:
  - |
    The deprecated parameters aodh::rabbit_host, aodh::rabbit_hosts, aodh::rabbit_password,
    aodh::rabbit_userid, aodh::rabbit_port and aodh::rabbit_virtual_host is removed.
    Please use aodh::default_transport_url instead.
  - |
    The deprecated parameter aodh::rpc_backend is removed.