message: Update MaxNumGROBuffers to 64
  Summary: The max possible value for GRO buffers is 64 so this updates the constant to match it.
diff: @@ -88,7 +88,7 @@ constexpr uint64_t kDefaultD6DBlackholeDetectionThreshold = 8;
  // 1 means GRO is not enabled
  // 64 is the max possible value
  constexpr uint16_t kMinNumGROBuffers = 1;
  -constexpr uint16_t kMaxNumGROBuffers = 16;
  +constexpr uint16_t kMaxNumGROBuffers = 64;
  constexpr uint16_t kDefaultNumGROBuffers = kMinNumGROBuffers;
  constexpr uint16_t kMaxNumCoalescedPackets = 5;
  