UA: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecho) Chrome/51.0.2704.84 Safari/537.36
Look closely and you'll find another BrowserMatch lockout.
It isn't common, but I've found a scattering of requests with this identical UA string from assorted IPs to assorted sites over the past month or two.
