Github user DaanHoogland commented on the issue:
https://github.com/apache/cloudstack/pull/2011
@ustcweizhou this enables looking for a nic by a name like a1b2c3
(\D+\d+\D*\d*\D*\d*) it will also allow all shorter as long as they start with
<letters><numbers> which makes sense. But to satisfy @karuturi's question in
2003, could you *briefly* describe how this prevents extra nics from being
created? otherwise LGTM
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