After setting up the proper hardware. It looks that the issue is no longer present in the following ISO image:

controller-0:/home/sysadmin# cat /etc/build.info
###
### StarlingX
###     Release 19.01
###

OS="centos"
SW_VERSION="19.01"
BUILD_TARGET="Host Installer"
BUILD_TYPE="Formal"
BUILD_ID="r/stx.2.0"

JOB="STX_BUILD_2.0"
<email address hidden>"
BUILD_NUMBER="14"
BUILD_HOST="starlingx_mirror"
BUILD_DATE="2019-08-08 01:30:00 +0000"

controller-0:/home/sysadmin# openstack server create --image cirros --flavor my_tiny --network public-net0 --security-group security1 richo1
+-------------------------------------+------------------------------------------------+
| Field                               | Value                                          |
+-------------------------------------+------------------------------------------------+
| OS-DCF:diskConfig                   | MANUAL                                         |
| OS-EXT-AZ:availability_zone         |                                                |
| OS-EXT-SRV-ATTR:host                | None                                           |
| OS-EXT-SRV-ATTR:hypervisor_hostname | None                                           |
| OS-EXT-SRV-ATTR:instance_name       |                                                |
| OS-EXT-STS:power_state              | NOSTATE                                        |
| OS-EXT-STS:task_state               | scheduling                                     |
| OS-EXT-STS:vm_state                 | building                                       |
| OS-SRV-USG:launched_at              | None                                           |
| OS-SRV-USG:terminated_at            | None                                           |
| accessIPv4                          |                                                |
| accessIPv6                          |                                                |
| addresses                           |                                                |
| adminPass                           | pjPqYs7jfCPJ                                   |
| config_drive                        |                                                |
| created                             | 2019-08-13T09:39:39Z                           |
| flavor                              | my_tiny (200d48ce-52bb-4ce5-9768-113c1ff0926a) |
| hostId                              |                                                |
| id                                  | 68a88f0c-65c7-499a-8e7e-aa16ddc47a47           |
| image                               | cirros (2c56b5dc-109e-44c5-b0c1-f3d611814abd)  |
| key_name                            | None                                           |
| name                                | richo1                                         |
| progress                            | 0                                              |
| project_id                          | c863ebfbbcbc4683859acbf4dc5f8d6b               |
| properties                          |                                                |
| security_groups                     | name='dd393bca-b9c7-4f86-8594-7ff80b8b40b3'    |
| status                              | BUILD                                          |
| updated                             | 2019-08-13T09:39:39Z                           |
| user_id                             | 78cb551a797c4c72ada6cd0e44114b8e               |
| volumes_attached                    |                                                |
+-------------------------------------+------------------------------------------------+

+--------------------------------------+--------+--------+----------------------------+--------+---------+
| ID                                   | Name   | Status | Networks                   | Image  | Flavor  |
+--------------------------------------+--------+--------+----------------------------+--------+---------+
| 68a88f0c-65c7-499a-8e7e-aa16ddc47a47 | richo1 | ACTIVE | public-net0=192.168.101.43 | cirros | my_tiny |
+--------------------------------------+--------+--------+----------------------------+--------+---------+

The VM is up and running, marked as ACTIVE status.

So the issue is no longer present.

Thanks