roachtest: follower-reads/nodes=3 failed

[cockroach-teamcity]

(roachtest).follower-reads/nodes=3 failed on provisional_202006032224_v20.2.0-alpha.1@59b79642310c31227c8c15015a2b9c83ee38707e:

The test failed on branch=provisional_202006032224_v20.2.0-alpha.1, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/follower-reads/nodes=3/run_1
	test_runner.go:800: test timed out (10h0m0s)

More

Artifacts: /follower-reads/nodes=3

See this test on roachdash
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