boolean canBeClosedAndReleased() {
    return state != RecordState.OPEN && numOfAvailableStreams.get() == maxConcurrentStreams;
  }
Delivers the exception to all registered child channels, and prohibits new streams being created on this connection.
ambry-network/src/main/java/com/github/ambry/network/http2/MultiplexedChannelRecord.java