Comment 8 for bug 1841660

Issue was reproduced on
R720-3-7
2019-11-19_20-00-00

[sysadmin@controller-0 ~(keystone_admin)]$ neutron router-list
neutron CLI is deprecated and will be removed in the future. Use openstack CLI instead.
+--------------------------------------+----------------+----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------+-------+
| id | name | tenant_id | external_gateway_info | distributed | ha |
+--------------------------------------+----------------+----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------+-------+
| 3f39af1d-e691-48b4-a3a8-49f60da3db4d | tenant1-router | 85403e6228ab40b4b5b30f18ae60c599 | {"network_id": "eb6237df-20e6-42b1-91eb-2c07d61ebb4a", "enable_snat": false, "external_fixed_ips": [{"subnet_id": "de81659f-28bd-46ef-ba8a-3eef4bdfeff9", "ip_address": "192.168.13.2"}]} | False | False |
| cee41cb9-af1f-4f21-8f37-cd0de52a2621 | tenant2-router | d1a7c6f6aae6407993c2632133e97918 | {"network_id": "eb6237df-20e6-42b1-91eb-2c07d61ebb4a", "enable_snat": false, "external_fixed_ips": [{"subnet_id": "de81659f-28bd-46ef-ba8a-3eef4bdfeff9", "ip_address": "192.168.13.3"}]} | False | False |
+--------------------------------------+----------------+--

[sysadmin@controller-0 ~(keystone_admin)]$ openstack subnet list | grep external
| de81659f-28bd-46ef-ba8a-3eef4bdfeff9 | external-subnet0 | eb6237df-20e6-42b1-91eb-2c07d61ebb4a | 192.168.13.0/24 |
[sysadmin@controller-0 ~(keystone_admin)]$ openstack subnet show de81659f-28bd-46ef-ba8a-3eef4bdfeff9
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| allocation_pools | 192.168.13.2-192.168.13.254 |
| cidr | 192.168.13.0/24 |
| created_at | 2019-11-20T06:40:55Z |
| description | |
| dns_nameservers | |
| enable_dhcp | False |
| gateway_ip | 192.168.13.1 |
| host_routes | |
| id | de81659f-28bd-46ef-ba8a-3eef4bdfeff9 |
| ip_version | 4 |
| ipv6_address_mode | None |
| ipv6_ra_mode | None |
| location | Munch({'project': Munch({'domain_name': 'Default', 'domain_id': None, 'name': 'admin', 'id': u'dfdf7afebf62490992697a1bde5b67bf'}), 'cloud': '', 'region_name': 'RegionOne', 'zone': None}) |
| name | external-subnet0 |
| network_id | eb6237df-20e6-42b1-91eb-2c07d61ebb4a |
| prefix_length | None |
| project_id | dfdf7afebf62490992697a1bde5b67bf |
| revision_number | 0 |
| segment_id | None |
| service_types | |
| subnetpool_id | None |
| tags | |
| updated_at | 2019-11-20T06:40:55Z |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

ppeng@tis-lab-nat-box:~$ ping 192.168.13.2
PING 192.168.13.2 (192.168.13.2) 56(84) bytes of data.
From 192.168.13.1 icmp_seq=1 Destination Host Unreachable
From 192.168.13.1 icmp_seq=2 Destination Host Unreachable