8 18:24:15 2016] [error] an unknown filter was not added: DEFLATE [Sun May 08 18:24:15 2016] [error] an unknown filter was not added: DEFLATE [Sun May 08 18:24:15 2016] [error] an unknown filter was not added: DEFLATE [Sun May 08 18:24:15 2016] [error] an unknown filter was not added: DEFLATE [Sun May 08 18:24:16 2016] [error] an unknown filter was not added: DE