// is returned if the provided IPNet range doesn't exactly match the previous range.
func (r *Range) Restore(net *net.IPNet, data []byte) error {
	if !net.IP.Equal(r.net.IP) || net.Mask.String() != r.net.Mask.String() {
		return ErrMismatchedNetwork
	}
	snapshottable, ok := r.alloc.(allocator.Snapshottable)
	if !ok {
		return fmt.Errorf("not a snapshottable allocator")
	}

type WaitStatus uint32

const (
	mask  = 0x7F
	core  = 0x80
	shift = 8

	exited  = 0
	stopped = 0x7F
)

func (w WaitStatus) Exited() bool { return w&mask == exited }

func (w WaitStatus) ExitStatus() int {
	if w&mask != exited {
		return -1
	}
	return int(w >> shift)
}

func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }

	use(p1[ui%1001])
	use(p1k[ui%1001])
	use(p100k[ui%1001]) // ERROR "index bounds check elided"

	// Bitwise and truncates the maximum value to the mask value.
	// The result (for a positive mask) cannot be negative, so elision
	// applies to both signed and unsigned indexes.
	use(s[i&999])
	use(a1[i&999])
	use(a1k[i&999])   // ERROR "index bounds check elided"

//
//            IEEE: P'(x) = 0x0edb88320
//      Castagnoli: P'(x) = 0x082f63b78


// IEEE polynomial constants
DATA    ·crclecons+0(SB)/8,  $0x0F0E0D0C0B0A0908       // LE-to-BE mask
DATA    ·crclecons+8(SB)/8,  $0x0706050403020100
DATA    ·crclecons+16(SB)/8, $0x00000001c6e41596       // R2
DATA    ·crclecons+24(SB)/8, $0x0000000154442bd4       // R1

		}
	}
	sort.Slice(all, func(i, j int) bool { return bits.Reverse64(all[i]) < bits.Reverse64(all[j]) })
	digits := sort.Search(64/4, func(digits int) bool {
		mask := uint64(1)<<(4*digits) - 1
		for i := 0; i+1 < len(all); i++ {
			if all[i]&mask == all[i+1]&mask {
				return false
			}
		}
		return true
	})
	if digits < 64/4 {
		digits++
	}
	return digits
}

  // perNodeHostBits defines the number of host bits to be configured per node.
  // A subnet mask determines how much of the address is used for network bits
  // 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.

	// +Inf special cases
	MOVQ    $PosInf, AX
	MOVQ    x+0(FP), R8
	CMPQ    AX, R8
	JEQ     isPosInf
	MOVQ    y+8(FP), R9
	CMPQ    AX, R9
	JEQ     isPosInf
	// NaN special cases
	MOVQ    $~(1<<63), DX // bit mask
	MOVQ    $PosInf, AX
	MOVQ    R8, BX
	ANDQ    DX, BX // x = |x|
	CMPQ    AX, BX
	JLT     isMaxNaN
	MOVQ    R9, CX
	ANDQ    DX, CX // y = |y|
	CMPQ    AX, CX
	JLT     isMaxNaN
	// ±0 special cases

TEXT ·And64(SB), NOSPLIT, $0-20
	MOVL	ptr+0(FP), BP
	// DI:SI = v
	MOVL	val_lo+4(FP), SI
	MOVL	val_hi+8(FP), DI
	// DX:AX = *addr
	MOVL	0(BP), AX
	MOVL	4(BP), DX
casloop:
	// CX:BX = DX:AX (*addr) & DI:SI (mask)
	MOVL	AX, BX
	MOVL	DX, CX
	ANDL	SI, BX
	ANDL	DI, CX
	LOCK
	CMPXCHG8B	0(BP)
	JNZ casloop
	MOVL	AX, ret_lo+12(FP)
	MOVL	DX, ret_hi+16(FP)
	RET

	Ctim              Timespec
	X__glibc_reserved [2]int32
}

type statxTimestamp struct {
	Sec         int64
	Nsec        uint32
	X__reserved int32
}

type statx_t struct {
	Mask            uint32
	Blksize         uint32
	Attributes      uint64
	Nlink           uint32
	Uid             uint32
	Gid             uint32
	Mode            uint16
	X__spare0       [1]uint16

			expectErrors:         true,
		},
		{
			name:                 "ipv6 cidr too big",
			cidr:                 *getIPnetFromCIDR("3000::/64"),
			maxCIDRBits:          20,
			cidrFlag:             "--service-cluster-ip-range",
			expectedErrorMessage: "specified --service-cluster-ip-range is too large; for 128-bit addresses, the mask must be >= 108",