The real fix here is kernel improvement (or bug fix if you want to consider current kernel behavior a bug). Anything else is just going to push around the failure.
That is what was determined in 2013, and its probably still true how. https://bugs.launchpad.net/ubuntu/+source/cloud-initramfs-tools/+bug/1123220/comments/8 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1573095 Title: Cloud images fail to boot when a serial port is not available To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/1573095/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
