Comment 2 for bug 2073326

neutron version: wallaby

router info:
openstack router show 22d98f75-063e-4413-b40c-69d1db3d9849
+-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up | UP |
| availability_zone_hints | default-az |
| availability_zones | default-az |
| created_at | 2024-07-11T07:09:40Z |
| description | |
| external_gateway_info | {"network_id": "6270cd06-db0d-4949-baf8-619b13e261b7", "enable_snat": false, "external_fixed_ips": [{"subnet_id": "ea764118-cb35-4f3d-81b3-ccd6383d333f", "ip_address": |
| | "172.27.252.19"}]} |
| gw_port_id | 72084cd2-8de3-4046-959e-56a5f4558e80 |
| id | 22d98f75-063e-4413-b40c-69d1db3d9849 |
| name | router2 |
| project_id | a4912dcbde8e4533b9f7128cabf7ab72 |
| project_id | a4912dcbde8e4533b9f7128cabf7ab72 |
| revision_number | 14 |
| routes | destination='172.28.240.0/27', gateway='169.254.128.254' |
| status | ACTIVE |
| tags | [] |
| updated_at | 2024-07-16T08:11:38Z |
+-------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

OVN router info:
_uuid : f4e61e8d-2225-4aa3-a42a-1dd9b0b219ea
copp : []
enabled : true
external_ids : {"neutron:availability_zone_hints"=default-az, "neutron:gw_network_id"="6270cd06-db0d-4949-baf8-619b13e261b7", "neutron:gw_port_id"="72084cd2-8de3-4046-959e-56a5f4558e80", "neutron:revision_number"="14", "neutron:router_name"="router2"}
load_balancer : []
load_balancer_group : []
name : neutron-22d98f75-063e-4413-b40c-69d1db3d9849
nat : []
options : {always_learn_from_arp_request="false", dynamic_neigh_routers="true"}
policies : []
ports : [78fc531e-7b4c-4f60-a0ba-e0213c3af5c8, d4d79c2b-2fda-4f16-9c2a-55fd2741051d]
static_routes : [44a69276-e70d-4bf2-868e-6426d7087099, 865cca52-e270-4f0c-a16e-3cd04962e0b0]

OVN router static routes:

_uuid : 44a69276-e70d-4bf2-868e-6426d7087099
bfd : []
external_ids : {"neutron:is_ext_gw"="true", "neutron:subnet_id"="ea764118-cb35-4f3d-81b3-ccd6383d333f", owner_is_neutron="true"}
ip_prefix : "0.0.0.0/0"
nexthop : "172.27.252.17"
options : {}
output_port : []
policy : []

_uuid : 865cca52-e270-4f0c-a16e-3cd04962e0b0
bfd : []
external_ids : {owner_is_neutron="true"}
ip_prefix : "172.28.240.0/27"
nexthop : "169.254.128.254"
options : {}
output_port : []
policy : []