neutron/releasenotes/notes/fdb_population-70d751c8c2e4...

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---
fixes:
- In order to fix the communication issues between
SR-IOV instances and regular instances
the FDB population extension is added to the
OVS or linuxbridge agent.
the cause was that messages from SR-IOV direct port
instance to normal port instances located on
the same hypervisor were sent directly to the wire
because the FDB table was not yet updated.
FDB population extension tracks instances
boot/delete operations using the handle_port
delete_port extension interface messages
and update the hypervisor's FDB table accordingly.
Please note this L2 agent extension doesn't support
allowed address pairs extension.