Description of problem:

RDO only have 3 default network type,but I check the openstack document that have flat network type . When I install the rdo as vlan network type and modify the plugin.ini to none ,It still report erros :
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400-{u'NeutronError': {u'message': u'Invalid input for operation: Unknown provider:physical_network physnet1.', u'type': u'InvalidInput', u'detail': u''}}
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Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:

can use flat network type as normal .

Additional info: