net_functional_tests: bondWithManyVlans.

This patch adds a tests for adding several vlanned networks over
a bond.

Change-Id: Ie9da7bd407cfbd9acab5e20384bff1254c26ffc5
Signed-off-by: Antoni S. Puimedon <asegurap@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/16025
Reviewed-by: Mark Wu <wudxw@linux.vnet.ibm.com>
Tested-by: Mark Wu <wudxw@linux.vnet.ibm.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>