(neutron) net-list
+--------------------------------------+---------------+-----------------------------------------------------+
| id                                   | name          | subnets                                             |
+--------------------------------------+---------------+-----------------------------------------------------+
| 13245267-329a-4858-94ce-5dd4ecf4821e | OpenShift-net | 9594da91-c49a-4813-bb59-0f854b5d2346 10.0.0.0/24    |
| 6d08fa15-2ca8-4bac-8f47-d59c7e98302f | external      | 76cac2aa-7a1c-400b-aec7-e87ee7ea57fa 172.50.1.0/24  |
| d42e34fc-9ca9-4890-b9d2-130e9797ff41 | IT-net        | d4c2f0c7-c9a3-4a97-bd32-8fc4af6ae6f1 192.168.1.0/24 |
+--------------------------------------+---------------+-----------------------------------------------------+

(neutron) net-show Openshift-net
+---------------------------+--------------------------------------+
| Field                     | Value                                |
+---------------------------+--------------------------------------+
| admin_state_up            | True                                 |
| id                        | 13245267-329a-4858-94ce-5dd4ecf4821e |
| name                      | OpenShift-net                        |
| provider:network_type     | gre                                  |
| provider:physical_network |                                      |
| provider:segmentation_id  | 3                                    |
| router:external           | False                                |
| shared                    | False                                |
| status                    | ACTIVE                               |
| subnets                   | 9594da91-c49a-4813-bb59-0f854b5d2346 |
| tenant_id                 | 4c0e53a6e2c747c09b8a20c4ef93cb6b     |
+---------------------------+--------------------------------------+

(neutron) subnet-create OpenShift-net 10.0.0.0/24 --name Openshift-subnet --gateway 10.0.0.1 --dns_nameservers list=true 172.31.12.4
Created a new subnet:
+------------------+--------------------------------------------+
| Field            | Value                                      |
+------------------+--------------------------------------------+
| allocation_pools | {"start": "10.0.0.2", "end": "10.0.0.254"} |
| cidr             | 10.0.0.0/24                                |
| dns_nameservers  | 172.31.12.4                                |
| enable_dhcp      | True                                       |
| gateway_ip       | 10.0.0.1                                   |
| host_routes      |                                            |
| id               | ec96fb82-e18e-4bbd-90b3-a6d0caec2c95       |
| ip_version       | 4                                          |
| name             | Openshift-subnet                           |
| network_id       | 13245267-329a-4858-94ce-5dd4ecf4821e       |
| tenant_id        | 4c0e53a6e2c747c09b8a20c4ef93cb6b           |
+------------------+--------------------------------------------+

(neutron) router-create Openshift-router
Created a new router:
+-----------------------+--------------------------------------+
| Field                 | Value                                |
+-----------------------+--------------------------------------+
| admin_state_up        | True                                 |
| external_gateway_info |                                      |
| id                    | eac0f493-f9be-45ae-9f21-b3dac83f7224 |
| name                  | Openshift-router                     |
| status                | ACTIVE                               |
| tenant_id             | 4c0e53a6e2c747c09b8a20c4ef93cb6b     |
+-----------------------+--------------------------------------+

(neutron) router-interface-add Openshift-router OpenShift-subnet
Added interface e4f28a7c-8701-4005-9c02-0e51b4a744d6 to router Openshift-router.

(neutron) router-gateway-set Openshift-router external
Set gateway for router Openshift-router

(neutron) router-show Openshift-router
+-----------------------+-----------------------------------------------------------------------------+
| Field                 | Value                                                                       |
+-----------------------+-----------------------------------------------------------------------------+
| admin_state_up        | True                                                                        |
| external_gateway_info | {"network_id": "6d08fa15-2ca8-4bac-8f47-d59c7e98302f", "enable_snat": true} |
| id                    | eac0f493-f9be-45ae-9f21-b3dac83f7224                                        |
| name                  | Openshift-router                                                            |
| routes                |                                                                             |
| status                | ACTIVE                                                                      |
| tenant_id             | 4c0e53a6e2c747c09b8a20c4ef93cb6b                                            |
+-----------------------+-----------------------------------------------------------------------------+

*******************************************************
At the cirros instance:

Starting network...
udhcpc (v1.20.1) started
Sending discover...
Sending discover...
Sending discover...
No lease, failing
WARN: /etc/rc3.d/S40-network failed
cirros-ds 'net' up at 182.46
checking http://169.254.169.254/2009-04-04/instance-id
failed 1/20: up 182.49. request failed
failed 2/20: up 184.63. request failed
failed 3/20: up 186.65. request failed
failed 4/20: up 188.66. request failed
failed 5/20: up 190.68. request failed
failed 6/20: up 192.70. request failed
failed 7/20: up 194.72. request failed
failed 8/20: up 196.74. request failed
failed 9/20: up 198.75. request failed
failed 10/20: up 200.77. request failed
failed 11/20: up 202.79. request failed
failed 12/20: up 204.81. request failed
failed 13/20: up 206.83. request failed
failed 14/20: up 208.84. request failed
failed 15/20: up 210.86. request failed
failed 16/20: up 212.88. request failed
failed 17/20: up 214.90. request failed
failed 18/20: up 216.91. request failed
failed 19/20: up 218.93. request failed
failed 20/20: up 220.95. request failed
failed to read iid from metadata. tried 20
no results found for mode=net. up 222.97. searched: nocloud configdrive ec2
failed to get instance-id of datasource