http://www.openssh.org/txt/gcmrekey.adv please fix this in F19, Ubuntu alreade distributed updates this weekend if you are at it take a look at the following report this was done in F21 builds but ignored for F18/F19 https://bugzilla.redhat.com/show_bug.cgi?id=1019256
This was never broken in Fedora. One of the fedora specific patches (audit) fixed this problem. *** This bug has been marked as a duplicate of bug 1028418 ***
Bug 1028418 comment 1.