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Bug#579496: virtio_net loses outbound connectivity



On Apr 28, Marco d'Itri <md@linux.it> wrote:

> On some of my systems, some time after boot (from about 1 to 8 days)
> the kernel stops emitting packets (?). Using tcpdump on eth0 on the
> guest I could see incoming ARP requests from the host but no answers.
> No errors have been logged by the kernel and removing and loading again
> virtio_net fixed the issue.
We later determined that this is reproducible by opening a few hundreds
of parallel TCP connections to the guest.

-- 
ciao,
Marco

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