I've tested the patch and it fixes the issue. I can confirm the MTU settings are now correct and curl works fine. I also confirmed it allowed cloud-init to run and fully complete the boot process:
https://pastebin.ubuntu.com/p/KfcP7wmjjV/ There are no cloud-init errors: https://pastebin.ubuntu.com/p/jtkTWkDGVN/ https://pastebin.ubuntu.com/p/vZSyTJ3RsH/ All I noticed was a delay / hang during dhcp probe, followed by a timeout and it worked in the first retry: https://pastebin.ubuntu.com/p/hXWKYCypXM/ Overall, everything worked well. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2056194 Title: Networking broken in early boot on Oracle Native instances To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/2056194/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs