2026-09-07T17:49:13Z	preflight	started	none
2026-09-07T17:49:16Z	preflight	complete	baseline_and_nonmutating_preconditions_verified
2026-09-07T17:49:17Z	backup	started	none
2026-09-07T17:49:18Z	backup	complete	durable_target_backup_verified
2026-09-07T17:49:18Z	apply	started	none
2026-09-07T17:49:21Z	apply	complete	r21b_source_and_scheduler_installed
2026-09-07T17:49:21Z	postcheck	started	none
2026-09-07T17:49:23Z	postcheck	failed	line=117 rc=126