# File lib/openstack/compute/address.rb, line 28
    def initialize(label, address, version = 4, mac = nil)
      @label = label
      if address.class == Hash then
        @address = address["addr"]
        @version = address["version"]
        @mac = address["OS-EXT-IPS-MAC:mac_addr"]
      else
        @address = address
        @version = version
        @mac = mac
      end
    end