Zabbix repository is not reachable, it looks like repository on http is unstable recently. We are getting errors for apt-updates on our servers which is causing deployment failures, multiple retries is fixing the issue. Can you please make the repository stable.

Failed to fetch http://repo.zabbix.com/zabbix/3.0/ubuntu/dists/trusty/main/binary-i386/Packages Unable to connect to repo.zabbix.com:http: W: Failed to fetch http://repo.zabbix.com/zabbix/3.0/ubuntu/dists/trusty/main/i18n/Translation-en Unable to connect to repo.zabbix.com:http: E: Some index files failed to download.