adjust availability zone hostname argument
diff --git a/planetstack/openstack/driver.py b/planetstack/openstack/driver.py
index 59847e4..d467dc1 100644
--- a/planetstack/openstack/driver.py
+++ b/planetstack/openstack/driver.py
@@ -411,7 +411,7 @@
         hints = {}
         availability_zone = None
         if hostname:
-            availability_zone = 'nova:%s' % hostname
+            availability_zone = 'nova:%s' % hostname.split('.')[0]
         server = self.shell.nova.servers.create(
                                             name=name,
                                             key_name = key_name,
@@ -422,6 +422,7 @@
                                             scheduler_hints=hints,
                                             availability_zone=availability_zone,
                                             nics=nics,
+                                            networks=nics,
                                             meta=metadata)
         return server