More about Openstack instance generating a status error
This error mainly occurs while creating an instance from the command line and dashboard. It may occur due to various reasons that include network issues or security issues, etc.
https://ibmimedia.com/blog/207/openstack-instance-generating-status-error
openstack reset power state
openstack instance in error state
openstack vm stuck in error state
openstack server list status error
nova reset-state
#openstack instance not booting
openstack instance nostate
openstack server create failed