@Scott, I found the dependency error was caused by a workaround of us, it might not the root cause of failure on Ubuntu18.04.1 and Ubuntu18.10
After remove the workaround, I got the cloud-init logs again, please check the new attachment cloud-init-18.04.1-FAIL.tar.gz, there are some Tracebacks in it. ** Attachment added: "cloud-init-18.04.1-FAIL.tar.gz" https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1796875/+attachment/5200337/+files/cloud-init-18.04.1-FAIL.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1796875 Title: cloud-init and cloud-init-local services boot sequence does not obey dependency settings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1796875/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs