d-i only supports configuring only one network connection. This is unlikely to change, even for the 20.04 timeframe. The workarounds are 1) getting install media exported on the same network as the network attached hard drives 2) configuring additional network interfaces by- hand using d-i interactive shell.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1689309 Title: Booting a system installed on an iSCSI LUN with an additional network interface is not possible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1689309/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs