I had hoped 3.7 rc8 would fix the problem at:
  http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc8-raring/

Sadly I still get frequent drops and resulting very high latencies
occasionally.  This seems to happen with all the work arounds I tried
under ubuntu 12.04 and ubuntu 12.10.

I've tried pcie_aspm=off, acpi=off, e1000e.IntMode=1,1
e1000e.InterruptThrottleRate=10000,10000, and related settings.  I've
also tried installing the newest intel drivers for the e1000e.

The occasional stutter/jitter is noticeable on ssh connections through
the firewall as well as any video console, voice calls, and video
conferencing.

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https://bugs.launchpad.net/bugs/1018561

Title:
  e1000e needs updating due to 82574L keeps dropping RX packets

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