Fix clang warning, incorrect comment about IPv6, and apparent typo in log buffer size
clang gives a warning about the address of an array mid-way through a structure always being non-NULL. AFAICT, this is true, so I've disabled the check.
A comment about an IPv6 address string incorrectly refers to an IPv4 address format.
A log buffer is sized 10024 rather than 10240.
I'll post a branch soon with fixes to these.