[base] Cidr: basic implementation of IPv6 match support
[base] Cidr: basic implementation of IPv6 match support

Change-Id: Ia688d68e47800d276bf56d4d5eed76fa0be40c6a

christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,xzero/x0,xzero/x0,xzero/x0,christianparpart/x0