我正在按照本教程http://openshift.github.io/documentation/oo_deployment_guide_vm.html在MacBook air OS X 10.10（Yosemite）中使用VirtualBox部署Openshift原点。
VM运行后，我可以成功从主机终端执行以下命令：rhc setup --server broker-66587a.openshift.local -l demo
但是，当我尝试创建应用时，我收到以下错误：
rhc create-app prueba php-5.5
Application Options
-------------------
Domain: santiago
Cartridges: php-5.5
Gear Size: default
Scaling: no
Creating application 'prueba' ... done
Waiting for your DNS name to be available ... retry # 1 - Waiting for DNS: prueba-santiago.openshift.local
retry # 2 - Waiting for DNS: prueba-santiago.openshift.local
retry # 3 - Waiting for DNS: prueba-santiago.openshift.local
retry # 4 - Waiting for DNS: prueba-santiago.openshift.local
retry # 5 - Waiting for DNS: prueba-santiago.openshift.local
retry # 6 - Waiting for DNS: prueba-santiago.openshift.local
retry # 7 - Waiting for DNS: prueba-santiago.openshift.local
failure
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
WARNING: Your application was created successfully but had problems during
configuration. Below is a list of the issues and steps you can
take to complete the configuration of your application.
Application URL: http://prueba-santiago.openshift.local/
Issues:
1. We were unable to lookup your hostname (prueba-santiago.openshift.local)
in a reasonable amount of time and can not clone your application.
Steps to complete your configuration:
1. Clone your git repo
$ rhc git-clone prueba
If you continue to experience problems after completing these steps,
you can try destroying and recreating the application:
$ rhc app delete prueba --confirm
Please contact us if you are unable to successfully create your
application:
Support - https://www.openshift.com/support
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
知道为什么会出现这种行为？感谢