puppetlabs/facter — pull request #663 by peterhuene (2014-04-17 21:53:54+00:00)
Title: (FACT-459) Fix MTU interface facts not being reported for Archlinux.

The regular expression being used assumes that MTU is uppercase and
followed by a colon. On Archlinux, ifconfig reports a lowercase "mtu"
followed by a space. This fixes the regular expression to match on
Archlinux.