[Mon Nov 18 14:03:11.797623 2013] [:warn] [pid 29424] httpd version 2.4.6 doesn't match version 2.4.6 used by mod_proxy_cluster.c

Seems like there is still problem with this logging. I have compiled against 2.4.6 all from F19 repo and get this message. What is wrong, magic number maybe?