jnraine/munkiserver — pull request #187 by Ern-st (2013-07-02 12:13:31+00:00)
Title: Preflight script: MAC addresse extraction not specific enough.

Ran across [this](https://code.google.com/p/munki/issues/detail?id=197) issue the other day.
All credit to @jps3 (Jason Stanford)