cbc-pillowfight don't always end up with the correct number of documents

I'm running:

cbc-pillowfight --password password --batch-size 1000 --num-items 80000000 --num-threads 10 --min-size 256 --max-size 256 --spec couchbase://172.23.133.11/bucket-1 --populate-only

And I'm getting a fair amount of temporary failures being printed on the console, but when pillowfight ends it only created 78M documents. This would cause my next test to fail as it wouldn't find the keys it expected.