Package: cloud-init Version: 25.1.1-1 Severity: important X-Debbugs-Cc: bastian.blank@credativ.de The Ec2 and Azure datasources generate netplan config with "set-name". Ec2 uses the same name that udev already set, Azure generates a new "ethX". This instructs netplan to forcibly change the name, even if there is a link unit with some other definition. This "set-name" needs to go in those case. Bastian