puppetlabs/puppetlabs-ntp — pull request #144 by gollub (2014-03-24 07:58:40+00:00)
Title: No Undisciplined Local Clock by default

Do not enable UDLC by default on baremetal (non-virtual) systems.
Baremetal systems might not serve as time-source at all.
UDLC is not a back-up for leaf-nodes (ntp client only)!

See http://support.ntp.org/bin/view/Support/UndisciplinedLocalClock