FWaaS driver used to fail in case 0.0.0.0/x was set a the rule source
or destination, as the backend NSX does not support it.
This patch changes the behavior - the 0.0.0.0/x ips will be ignored,
and the rule will be create with ANY source/dest instead.
Change-Id: I1aa4331a965e9b7deacfbef510aa60f8c17046a3
4182115912