Edit: /var/log/upgrade/telemetry (257B)
{"From": "20.04", "Type": "Text", "ThirdPartySources": false, "Stages": {"0": "start", "3": "PREPARE", "42": "MODIFY_SOURCES", "112": "FETCH", "151": "INSTALL", "158": "INSTALL", "307": "INSTALL", "1322": "POSTUPGRADE", "1328": "CLEANUP", "1490": "REBOOT"}}