This bug has been copied from bug #521817 and has been proposed to be backported to 5.3 z-stream (EUS).
pushed to RHEL53 branch http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=58a768b6e836ad6406a3da7d71138e2d4ccbe7aa
Another openais bug makes this patch dangerous to include by itself. So if that openais bug (forget which ATM) is not fixed in the same release, then we don't want to include this patch.
openais bug 599654 is the real bug, with that fixed, this workaround is not needed.