roachtest: election-after-restart failed

[cockroach-teamcity]

SHA: https://github.com/cockroachdb/cockroach/commits/e6348bb4abbfd117424c382ce5ab42e8abbe88f0

Parameters:

To repro, try:

# Don't forget to check out a clean suitable branch and experiment with the
# stress invocation until the desired results present themselves. For example,
# using stress instead of stressrace and passing the '-p' stressflag which
# controls concurrency.
./scripts/gceworker.sh start && ./scripts/gceworker.sh mosh
cd ~/go/src/github.com/cockroachdb/cockroach && \
make stressrace TESTS=election-after-restart PKG=roachtest TESTTIMEOUT=5m STRESSFLAGS='-maxtime 20m -timeout 10m' 2>&1 | tee /tmp/stress.log

Failed test: https://teamcity.cockroachdb.com/viewLog.html?buildId=974325&tab=buildLog

The test failed on release-2.1:
	test.go:611,election.go:67: Error: cannot dial server.
		Is the server running?
		If the server is running, check --host client-side and --advertise server-side.
		
		read tcp 127.0.0.1:43156->127.0.0.1:26257: i/o timeout
		Failed running "sql"
		Error:  exit status 1
		
		
		/home/agent/work/.go/bin/roachprod run teamcity-974325-election-after-restart:1 -- ./cockroach sql --insecure -e "
		SET TRACING = on;
		SELECT * FROM test.kv;
		SET TRACING = off;
		SHOW TRACE FOR SESSION;
		": exit status 1