When building NTP from source, there is a new configure option
available, --enable-dynamic-interleave. More information on this below.
+Also note that ntp-4.2.8p7 logs more "unexpected events" than previous
+versions of ntp. These events have almost certainly happened in the
+past, it's just that they were silently counted and not logged. With
+the increasing awareness around security, we feel it's better to clearly
+log these events to help detect abusive behavior. This increased
+logging can also help detect other problems, too.
+
In addition to bug fixes and enhancements, this release fixes the
following 9 low- and medium-severity vulnerabilities: