tree e954968307360f7e95226acd419878ffad19c887
parent 7544b23e52c004cda817874c54d88080b6e90bdc
author Robert Greenwalt <rgreenwalt@google.com> 1301423788 -0700
committer Robert Greenwalt <rgreenwalt@google.com> 1301423788 -0700

Only leave one default network up at a time.

If original refuses to tear down, tear down new one.  It's better
to have none (which will try to launch them all again) than two.

Really people shouldn't refuse the teardown request.

bug:4183397
Change-Id: I54ea1bf0d2cd2ef16fcf2eafc69895ad2fe33ffd