Update for get ipv4 address
Change-Id: Ib9280596bc26da36532468a2ba2b888b52c796f5
Signed-off-by: Liping Cheng <lcheng@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/179858
Tested-by: Libvirt Jenkins <libvirt-jenkins@redhat.com>
Signed-off-by: Liping Cheng <lcheng@redhat.com>