[Yahoo-eng-team] [Bug 2049546] [NEW] neutron-linuxbridge-agent ebtables RULE_DELETE failed (Invalid argument)

Public bug reported: neutron-linuxbridge-agent fails and gets stuck when cleaning up ARP protection rules: neutron-linuxbridge-agent[3049824]: Exit code: 4; Cmd: ['ebtables', '-t', 'nat', '--concurrent', '-D', 'neutronMAC-tap50f1af99-28', '-i', 'tap50f1af99-28', '--among-src', 'fa:16:3e:ba:1

[Yahoo-eng-team] [Bug 2049030] [NEW] request_spec out of sync with instance details

Public bug reported: Description === We have an OpenStack Zed running based on the Ubuntu cloud archive packages. We regularly live-migrate instances between hypervisors for host maintenance, but suddenly had issues with many instances. Nova correctly refused to migrate an instance from a