I am not a Ubuntu Advantage subscriber but there's this systemd unit active and waiting on my 21.04
ua-messaging.timer loaded active waiting Ubuntu Advantage update messaging
Ubuntu Advantage I understand is a program for enterprise support.
I some part of UA important for a civilian user's installation or is this installed as a convenience for optional UA enrollment? If the latter, I assume it can be removed?
Simply remove it by
I have just checked my supported and not-EOL Ubuntu 18.04 LTS.
It has
ua-messaging.timer
fromubuntu-advantage-tools
package installed too.So I have reported bug 1928604 to launchpad.