Handle abandoning a nic when the network barclamp takes over a system. [4/4]

The network barclamp now properly handles the scenario where we
abandon the interface we initially PXE booted and installed from, and
the default smoketest now tests that configuration.


 test_framework/network-team.json |   31 +++++++++++++++----------------
 test_lib.sh                      |    2 +-
 2 files changed, 16 insertions(+), 17 deletions(-)

Crowbar-Pull-ID: dd3666f0c95a7d5b43e788a8e2c8b5d2e1e2e7bd

Crowbar-Release: pebbles