mirage/mirage-platform — pull request #19 by djs55 (2013-01-09 19:47:00+00:00)
Title: Zero the shared ring before sharing it with the driver domain

Otherwise the ring might actually contain valid request metadata
and could result in other data being transmitted unexpectedly.

Note I'm still seeing IP frames with missing TCP headers even in the xen case now, so it must be a bug higher up in the network stack.