Which version are you using ?
and from log, seems
2018-02-27 06:43:00.867 21904 ERROR nova.api.openstack.extensions raise neutron_client_exc.Unauthorized(message=err_msg) 2018-02-27 06:43:00.867 21904 ERROR nova.api.openstack.extensions Unauthorized: Unknown auth type: None
indicate you didn't set auth_type of neutron which is a setting error so 500 should be right error code....
Which version are you using ?
and from log, seems
2018-02-27 06:43:00.867 21904 ERROR nova.api. openstack. extensions raise neutron_ client_ exc.Unauthorize d(message= err_msg) openstack. extensions Unauthorized: Unknown auth type: None
2018-02-27 06:43:00.867 21904 ERROR nova.api.
indicate you didn't set auth_type of neutron which is a setting error
so 500 should be right error code....