只有在选择了某个网络的时候才会报错，问题肯定跟这个网络关系，我看了一下，ip地址肯定够，r-router也是正常运行的，问题还能出在哪呢？
2014-10-22 09:47:54,587 DEBUG [agent.transport.Request]
(Job-Executor-122:job-3954 = [ 9af4c09d-732d-4474-a616-a257e26da7ac ]) Seq
10-653901025: Received: { Ans: , MgmtId: 203178702697288, via: 10, Ver: v1,
Flags: 110, { Answer, Answer } }
2014-10-22 09:47:54,587 INFO [cloud.vm.VirtualMachineManagerImpl]
(Job-Executor-122:job-3954 = [ 9af4c09d-732d-4474-a616-a257e26da7ac ]) Unable
to contact resource.
com.cloud.exception.ResourceUnavailableException: Resource [DataCenter:1] is
unreachable: Unable to apply userdata and password entry on router
ns...@sina.com
