roachtest: jepsen/g2/majority-ring-start-kill-2 failed

SHA: https://github.com/cockroachdb/cockroach/commits/da56c792e968574b8f1d9ef3fdb45d56a530221a

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 && \
stdbuf -oL -eL \
make stressrace TESTS=jepsen/g2/majority-ring-start-kill-2 PKG=roachtest TESTTIMEOUT=5m STRESSFLAGS='-maxtime 20m -timeout 10m' 2>&1 | tee /tmp/stress.log

Failed test: https://teamcity.cockroachdb.com/viewLog.html?buildId=1415578&tab=buildLog

The test failed on branch=master, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/20190801-1415578/jepsen/g2/majority-ring-start-kill-2/run_1
    jepsen.go:264,jepsen.go:325,test_runner.go:691: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod run teamcity-1564640260-44-n6cpu4:6 -- bash -e -c "\
        cd /mnt/data1/jepsen/cockroachdb && set -eo pipefail && \
         ~/lein run test \
           --tarball file://${PWD}/cockroach.tgz \
           --username ${USER} \
           --ssh-private-key ~/.ssh/id_rsa \
           --os ubuntu \
           --time-limit 300 \
           --concurrency 30 \
           --recovery-time 25 \
           --test-count 1 \
           -n 10.128.0.86 -n 10.128.0.76 -n 10.128.0.59 -n 10.128.0.55 -n 10.128.0.45 \
           --test g2 --nemesis majority-ring --nemesis2 start-kill-2 \
        > invoke.log 2>&1 \
        " returned:
        stderr:

        stdout:
        Error:  exit status 255
        : exit status 1

cockroachdb / cockroach

roachtest: jepsen/g2/majority-ring-start-kill-2 failed #39217