neutron/releasenotes/notes/fip-janitor-53f0d42a7471c5e...

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prelude: >
Due to changes in internal L3 logic, a server
crash/backend failure during FIP creation may
leave dangling ports attached on external
networks. These ports can be identified by a
'PENDING' device_id. The neutron server will
attempt a cleanup periodically to address the issue.
other:
- If a floating IP creation gets interrupted by
a server crash or backend failure, a port can
be left behind on the external network. Neutron
will now automatically clean these up after
approximately 10 minutes. This time value is not
configurable.
- Ports in this state will be visible on the external
network to admins, and will have a device_id value
of 'PENDING'. They can also be removed manually by
an admin if waiting for the periodic job to do it is
undesired.