public void internalClose(boolean keepAlive) throws Exception {
    try {
      Connection con = connection;
      if (con != null) {
        con.close(keepAlive);
      }
    } finally {
      internalDestroy();
    }
  }
When a pooled connection is destroyed, it's not destroyed right away, but when it is returned
to the pool.
geode-core/src/main/java/org/apache/geode/cache/client/internal/pooling/PooledConnection.java