// and host bits. For example an IPv4 address of 192.168.0.0/24, splits the
  // address into 24 bits for the network portion and 8 bits for the host portion.
  // To allocate 256 IPs, set this field to 8 (a /24 mask for IPv4 or a /120 for IPv6).
  // Minimum value is 4 (16 IPs).
  // This field is immutable.
  // +required
  optional int32 perNodeHostBits = 2;

  // ipv4 defines an IPv4 IP block in CIDR notation(e.g. "10.0.0.0/8").

  // value.
  //
  // This field may hold a maximum of two entries (dual-stack IPs, in either order).
  // These IPs must correspond to the values of the ipFamilies field. Both
  // clusterIPs and ipFamilies are governed by the ipFamilyPolicy field.
  // More info: https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies
  // +listType=atomic
  // +optional