Change default Multus CNI from flannel to weave-net (#402)
Change default Multus CNI from flannel to weave-net (#402)

For upstream kubernetes, it should default to weave-net because
that is what the kubernetes-master role installs.

Fixes issue https://github.com/kubevirt/kubevirt-ansible/issues/401
kubevirt-incubator/kubevirt-ansible,kubevirt-incubator/kubevirt-ansible