autotest/virt-test — pull request #1683 by liyangfnst (2014-06-04 02:45:42+00:00)
Title: virt: Fix a bug for getting ip address of domain

Sometimes a MAC gets two ip address, we should avoid the
last one, because it will always be in 'Offer' step, not
'ACK' step in DHCP, it's not the real ip address of domian

Signed-off-by: Li Yang