weizhouapache opened a new issue #5890:
URL: https://github.com/apache/cloudstack/issues/5890
when acquire a public IP in additional public Ip range in VPC, and create
port forwarding rule, it failed with following error logs
```
2022-01-24 10:18:12,167 ERROR [c.c.v.VmWorkJobHandlerProxy]
(Work-Job-Executor-29:ctx-1244b16f job-191/job-192 ctx-0839cf31)
(logid:5e3e1e3c) Invocation exception, caused by:
com.cloud.utils.exception.CloudRuntimeException: A NIC already exists for
VM:r-26-VM in network: 2cd53639-233b-4bc2-b5bd-19751834ab9e
2022-01-24 10:18:12,168 INFO [c.c.v.VmWorkJobHandlerProxy]
(Work-Job-Executor-29:ctx-1244b16f job-191/job-192 ctx-0839cf31)
(logid:5e3e1e3c) Rethrow exception
com.cloud.utils.exception.CloudRuntimeException: A NIC already exists for
VM:r-26-VM in network: 2cd53639-233b-4bc2-b5bd-19751834ab9e
2022-01-24 10:18:12,169 DEBUG [c.c.v.VmWorkJobDispatcher]
(Work-Job-Executor-29:ctx-1244b16f job-191/job-192) (logid:5e3e1e3c) Done with
run of VM work job: com.cloud.vm.VmWorkAddVmToNetwork for VM 26, job origin: 191
com.cloud.utils.exception.CloudRuntimeException: A NIC already exists for
VM:r-26-VM in network: 2cd53639-233b-4bc2-b5bd-19751834ab9e
at
com.cloud.vm.VirtualMachineManagerImpl.checkIfNetworkExistsForVM(VirtualMachineManagerImpl.java:3851)
at
com.cloud.vm.VirtualMachineManagerImpl.orchestrateAddVmToNetwork(VirtualMachineManagerImpl.java:3860)
at
com.cloud.vm.VirtualMachineManagerImpl.orchestrateAddVmToNetwork(VirtualMachineManagerImpl.java:5363)
```
(2cd53639-233b-4bc2-b5bd-19751834ab9e is the uuid of Public network with
id=200)
- steps to reproduce the issue
(1) create VPC
(2) add additional public ip range
(3) acquire a public IP in new ip range
(4) create port forwarding rule (or enable static nat, create LB rule)
expected result: succeed
actual result: failed
- **it can be fixed by reverting #5658**
##### ISSUE TYPE
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* Bug Report
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##### CLOUDSTACK VERSION
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main branch
should exist in 4.16 as well
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##### CONFIGURATION
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