The differences we are seeing between a working Desktop ubuntu image
with /var/log/installer/media-info 202408271 are that cloud-init
published 24.2 via SRU to the newer Noble image


In that SRU was a shift to when cloud-init-hotplugd.socket and cloud-
init-hotplugd.service units are ordered[1]

The change added:
- After=cloud-config.target to cloud-init-hotplugd.socket  to allow starting 
hotplugd.socket earlier
and
- After=cloud-init.target to cloud-init-hotplugd.service  to avoid attempting 
udev NIC hotplug events while cloud-init is still configuring the base instance.


We'll need further investigation tomorrow to determine the ordering cycles we 
are seeingin Desktop images w/ NetworkManager-wait-online.service here, and why 
on first boot the systemd unit being deleted is dbus.service yet in ephemeral 
environment (before first boot) it happens to be cloud-init-hotplugd.service.


[1] https://github.com/canonical/cloud-init/pull/5058

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https://bugs.launchpad.net/bugs/2081124

Title:
  systemd service dependency loop between cloud-init, NetworkManager and
  dbus

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