this patch make the mac_change test support changing mac when the
interface is active
this patch also modify the method of get drive number of win_utils
Signed-off-by: NYunping Zheng <yunzheng@redhat.com>

This patch make jumbo and mac_change test support winxp guests.
This patch also add method of restart windows guest network by devcon.
Signed-off-by: NYunping Zheng <yunzheng@redhat.com>

This patch makes mac_change case support windows guests, except WinXP
Signed-off-by: NYunping Zheng <yunzheng@redhat.com>

We've only spot this mistake now :(
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

In order to have self describing tests, split the original
subtests.cfg in several per test files, and create subtests.cfg
out from this information.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>