LS Enterprise 2-CPU, latest, on 64-bit CentoS 6.4.
Why there are INFO logs for this, creating a cookie with 846 bytes (name + content) ? Cookies can be 4K including name, and there should be no reason to fill logs with these.
http://www.ietf.org/rfc/rfc2965.txt says in "Implementation Limits" browser should accept "at least 4096 bytes per cookie (as measured by the characters that comprise the cookie non-terminal in the syntax description of the Set-Cookie2 header, and as received in the Set-Cookie2 header)"