Put VIF MAC in private xenstore section
Put VIF MAC in private xenstore section

This makes the VIF MAC address available to the cleanup code in the hotplug
script.

Signed-off-by: Rob Hoes <8783b3376fb07d39edffc8d7da68a6de3874a7e6@citrix.com>

thomassa/xenopsd,thomassa/xenopsd,thomassa/xenopsd