Comment 8 for bug 1578253

I changed some systems' TCP Wrappers to only specific daemons so that mysqld isn't included and so far so good. It's hard to say whether 4 days equates to success, but at least one of the systems I've implemented it on was seeing the issue happen every other day... and it's been running stable. I'll post back once I've gotten all systems moved over and we have at least 1 week of non-failure.