Fix naming of bond interfaces

Don't try to be smart about guessing the interface names of the bonding
interfaces. Just use the attribute that is set by the network cookbook.

This depends on: https://github.com/crowbar/barclamp-network/pull/203

https://bugzilla.novell.com/show_bug.cgi?id=833133
Merge pull request #650 from rhafer/fix/bond-naming

https://github.com/crowbar/barclamp-crowbar/pull/650

Merged by devtool for cloudsleuth