Fixed lp:1395908 for 1.21 - disabled NICs from lshw stay disabled
Merge pull request #1248 from dimitern/lp-1395908-1.21-backport

Fixed lp:1395908 for 1.21 - disabled NICs from lshw stay disabled

Backported the fix from master - #1247.

Live tested on MAAS.

(Review request: http://reviews.vapour.ws/r/559/)