Network Rate Limiting for Guests

[lmr]

I'm moving issue

https://github.com/autotest/autotest/issues/413

Here. From the original text by @santwana:

Network Rate Limiting for guests need to be automated.

More information on Network Rate Limiting can be found at: http://www.linuxfoundation.org/collaborate/workgroups/networking/netem

Basically, any delay or disruption in the host network, shouldn't affect the guest's n/w when its bridged to the host.