When curtin deploys a machine, it emits a disable-networking config; I suspect that the cloud-init upgrade/change/fix may have removed it as the 50-cloud-init.cfg is only written out if networking is not disabled.
curtin does the following: echo "network: {config: disabled}" > etc/cloud/cloud.cfg.d/curtin- disable-cloudinit-networking.cfg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1621615 Title: network not configured when ipv6 netbooted into cloud-init To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1621615/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs