https://opennetlinux.org,Open Network Linux, ONL,https://github.com/sdnds-tw/awesome-sdn#readme,Software-Defined Networking error: URLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1123)')) | reason: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1123)
http://www.pica8.com/products/picos,PicOS,https://github.com/sdnds-tw/awesome-sdn#readme,Software-Defined Networking error: <HTTPError 404: 'Not Found'> | reason: Not Found
http://www.openmul.org/openmul-controller.html,Open MUL,https://github.com/sdnds-tw/awesome-sdn#readme,Software-Defined Networking error: <HTTPError 404: 'Not Found'> | reason: Not Found