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From Edison Su <>
Subject RE: VM router spawning multiple public nics
Date Tue, 28 Aug 2012 00:42:31 GMT
Possible bug in in kvm code: LibvirtComputingResource->execute(IpAssocCommand cmd)->
VifHotPlug, which is only place adding nic into router vm.
Turn on agent log, then take a look what happened.

> -----Original Message-----
> From: Marcus Sorensen []
> Sent: Monday, August 27, 2012 5:10 PM
> To:
> Subject: VM router spawning multiple public nics
> I've got two zones running the same build of cloudstack (a recent copy
> of master). One of them creates routers that turn into ugly
> multi-headed beasts, and by that I mean that any time I create a port
> forwarding or iptables rule for that router I get a new public NIC
> with an identical IP address, I have an instance with a few tens of
> NICs.  My guess is that some script isn't detecting that there's
> already a NIC with the public IP on it.  It looks fine in the
> database, there is only one public NIC defined in the nics table.
> I'll troubleshoot it tomorrow, but if anyone knows where I should
> begin the headstart would be appreciated.
> Thanks

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