mininet/mininet — pull request #266 by adferguson (2014-01-23 21:42:06+00:00)
Title: print error messages when making interfaces

without this, there is no indication in Mininet that creating an
interface has failed. for example, this may happen when the interface
name is too long (longer than IFNAMSIZ, which is 16 chars).

thank you!
Andrew