code: func (f ServiceFlags) Bytes() []byte {
  	x := make([]byte, 8)
  	var b [4]byte
  	*(*uint32)(unsafe.Pointer(&b)) = uint32(f)
  	copy(x[:4], b[:])
  	*(*uint32)(unsafe.Pointer(&b)) = ^uint32(0)
  	copy(x[4:], b[:])
  	return x
  }
docs: // Bytes returns the netlink representation of the service flags.