// All addresses in this slice must be the same type. This field is
  // immutable after creation. The following address types are currently
  // supported:
  // * IPv4: Represents an IPv4 Address.
  // * IPv6: Represents an IPv6 Address.
  // * FQDN: Represents a Fully Qualified Domain Name.
  optional string addressType = 4;

  // 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").

  // All addresses in this slice must be the same type. This field is
  // immutable after creation. The following address types are currently
  // supported:
  // * IPv4: Represents an IPv4 Address.
  // * IPv6: Represents an IPv6 Address.
  // * FQDN: Represents a Fully Qualified Domain Name.
  optional string addressType = 4;

  // podCIDRs represents the IP ranges assigned to the node for usage by Pods on that node. If this
  // field is specified, the 0th entry must match the podCIDR field. It may contain at most 1 value for
  // each of IPv4 and IPv6.
  // +optional
  // +patchStrategy=merge
  repeated string podCIDRs = 7;

  // ID of the node assigned by the cloud provider in the format: <ProviderName>://<ProviderSpecificNodeID>
  // +optional