[Expired for neutron because there has been no activity for 60 days.]
** Changed in: neutron
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/2116335
Title:
gateway_port: of NAT configured on logical router: is not a valid
distributed gateway port on that router
Status in neutron:
Expired
Bug description:
After rebooting openstack nodes, floating IPs attached to instances
are not reachable anymore.
Architecture:
- Kubernetes
- Openstack-helm
- Openstack Epoxy
- OVN Networking
- OVN BGP Agent
Pre-conditions:
- VM with floating IP attached to tenant network and router
Steps: Reboot cluster nodes
Expected: Floating IP reachable after reboot
Actual:
- Floating IP not reachable
- Openstack network:router_gateway port in binding_failed state
openstack port show 11913e02-ea75-4050-844c-a4129f0528ab
+-------------------------+-------------------------------------------------------------------------+
| Field | Value
|
+-------------------------+-------------------------------------------------------------------------+
| admin_state_up | UP
|
| allowed_address_pairs |
|
| binding_host_id | compute01
|
| binding_profile |
|
| binding_vif_details |
|
| binding_vif_type | binding_failed
|
| binding_vnic_type | normal
|
| created_at | 2025-07-04T07:28:34Z
|
| data_plane_status | None
|
| description |
|
| device_id | 68013d1a-8d26-4c28-a547-41ab894b155a
|
| device_owner | network:router_gateway
|
| device_profile | None
|
| dns_assignment | None
|
| dns_domain | None
|
| dns_name | None
|
| extra_dhcp_opts |
|
| fixed_ips | ip_address='10.3.0.9',
subnet_id='697a5ef2-4ce2-424c-a75b-f87509efb150' |
| hardware_offload_type | None
|
| hints |
|
| id | 11913e02-ea75-4050-844c-a4129f0528ab
|
| ip_allocation | immediate
|
| mac_address | fa:16:3e:a6:0b:1c
|
| name |
|
| network_id | d129db2d-5370-4133-8968-274bfc1b7f76
|
| numa_affinity_policy | None
|
| port_security_enabled | False
|
| project_id |
|
| propagate_uplink_status | None
|
| resource_request | None
|
| revision_number | 51
|
| qos_network_policy_id | None
|
| qos_policy_id | None
|
| security_group_ids |
|
| status | ACTIVE
|
| tags |
|
| trunk_details | None
|
| trusted | None
|
| updated_at | 2025-07-10T11:58:22Z
|
+-------------------------+-------------------------------------------------------------------------+
- Northd reporting NAT gateway issues
│ 2025-07-10T13:26:00.327Z|00083|en_lr_nat|WARN|gateway_port:
lrp-11913e02-ea75-4050-844c-a4129f0528ab of NAT configured on logical router:
neutron-68013d1a-8d26-4c28-a547-41ab │
│ 894b155a is not a valid distributed gateway port on that router
- After disabling and re-enabling router and network:router_gateway
port is bound again but Northd still reporting same issue and floating
IP unreachable.
Workaround:
Clear all floating IPs and detach the external gateway port of the
router. Re-attach everything and floating IP reachable again.
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