Package: qemu-kvm
Version: 1.1.2+dfsg-2
Severity: normal
Tags: patch upstream pending

When qemu opens a tap device on host to configure networking, it
assumes that the device is not configured to use vnet header.
But this might not be the case with persistent tap devices, when
previously vnet were in use.  In this case guest network will
not work.

Fix is trivial, to always initialize vnet header presence/absence
on open, in order to not rely on unitialized value.

This is upstream commit 58ddcd50f30cb5c020bd4f9f36b01ee160a27cac .

/mjt


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