Announcement Date: 27 June, 2019

Improvements:
[networking] Bonding interfaces restore their default mac address when the MAC field is empty
[networking] Created a wrapper to store default bonding mac address

Bugfixes:
[farms] fix SNI forward to backend
[system] APT configuration is checked daily and re-configured if required
[api] Fixed error 500 listing HTTP backends in API v3
[farms] fix backend aliases list for HTTP services
[system] Avoid to loop CA crl downloads without an Internet connection