Github user miguelaferreira commented on the pull request: https://github.com/apache/cloudstack/pull/844#issuecomment-147312092 @ustcweizhou It is not clear to me if you tested the same things @wilderrodrigues did, or if you tested "the security groups bit". Would you be so kind as to make that explicit. Regarding the remark I made about seemingly isolated code: the PR that fixed the issue we had in production is #761. If you are interested, pleas have a look at the problem description and solution (arguably no the best!) in the PR comments.
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