sane device naming

start_testbed.py

@@ -47,8 +47,8 @@ def connect_nodes(node1, node2):
     ctr2 = nodelist[node2]
     print ctr1, ctr2
     # Create a virtual ethernet link.
-    dev_1 = 'bac0_{n1}_{n2}'.format(n1=node1,n2=node2)
-    dev_2 = 'bac0_{n2}_{n1}'.format(n1=node1,n2=node2)
+    dev_1 = '{name}_{n1}_{n2}'.format(name=ntwk['name'],n1=node1,n2=node2)
+    dev_2 = '{name}_{n2}_{n1}'.format(name=ntwk['name'],n1=node1,n2=node2)
     subprocess.call([
         'sudo',
         'ip', 'link', 'add', dev_1, 'type', 'veth',