Open Stack

We've migrated our OST platform from qpid to rabbitmq. After this
migration, we don't receive any notification from nova/neutron in
designate-sink (so there is no DNS registration for new VMs or floating
IPs). However, designate is correctly integrated with rabbitmq because
designate-api replies successfully to API requests.

There is a user/password for designate in rabbitmq and every rabbit user
has all the possible permissions.

Do you have any hint? I don't think it's a wrong configuration in designate
because it was already working with qpid. Could you suggest where I should
inspect in order to find the problem?
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