fwaas v1 with DVR: l3 agent can't restore the NAT rules for floatingIP

[shihanzhang]

With neutron and FWaas master branch and in DVR mode, I create a VM with floatingIP, it works ok, but when i restart the related l3-agent, i can't reach the VM via FloatingIP, then check the NAT rules in router namespace, i found the NAT rules did not be restored.

reproduce steps:
1. in DVR mode
2. create a VM with floatingIP
3. restart the related l3 agent on compute node
we can check that the NAT rule for floatingIP did not be restored.

[Armando Migliaccio (armando-migliaccio)]

You mentioned FWaaS in the bug report, but it seems irrelevant when looking at the steps to repro. Could you clarify?

[Brian Haley (brian-haley)]

I tried this both with and with FWaaSv1 enabled with DVR on devstack (dvr_snat mode) and could not reproduce it, NAT rule was always restored. Can you give more information on your config as well as any info from log files that might help?

[Launchpad Janitor (janitor)]

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