The test failed on branch=master, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/follower-reads/survival=region/locality=regional/reads=exact-staleness/run_1
	follower_reads.go:613,follower_reads.go:319,follower_reads.go:57,test_runner.go:777: inconsistent timeseries response. Expected 15 points, but n1 (query 1) returned 23.
		Timeseries 1: [{1631613850000000000 1315.4} {1631613860000000000 624.5} {1631613880000000000 0} {1631613900000000000 0} {1631613910000000000 165.10000000000002} {1631613920000000000 1428.4} {1631613930000000000 1430.5} {1631613950000000000 1391.15} {1631613970000000000 630.1} {1631613980000000000 2784.3} {1631614000000000000 690.75} {1631614010000000000 2459.5} {1631614030000000000 1232.7} {1631614050000000000 1390.3000000000002} {1631614070000000000 1270.3000000000002}]
		Timeseries 2: [{1631613850000000000 0} {1631613860000000000 0} {1631613870000000000 0} {1631613880000000000 0} {1631613890000000000 0} {1631613900000000000 0} {1631613910000000000 0} {1631613920000000000 121.30000000000001} {1631613930000000000 0} {1631613940000000000 0} {1631613950000000000 0} {1631613960000000000 0} {1631613970000000000 84.7} {1631613980000000000 0} {1631613990000000000 0} {1631614000000000000 0} {1631614010000000000 145.6} {1631614020000000000 0} {1631614030000000000 193.3} {1631614040000000000 0} {1631614050000000000 0} {1631614060000000000 0} {1631614070000000000 0}].