test, sriov ipv6 ping: Rename CIDR and IP's  variables
test, sriov ipv6 ping: Rename CIDR and IP's  variables

Signed-off-by: Or Mergi <df7b5d365066aa2e85ccd79e6b18e2863f1da762@redhat.com>

davidvossel/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt