patch for adding network_port to the instance attrs exported by the rapi:
diff --git a/lib/rapi/rlib2.py b/lib/rapi/rlib2.py
index 9e617bf..c51b1cc 100644
--- a/lib/rapi/rlib2.py
+++ b/lib/rapi/rlib2.py
@@ -33,7 +33,7 @@ from ganeti.rapi import baserlib
I_FIELDS = ["name", "admin_state", "os",
"pnode", "snodes",
"disk_template",
- "nic.ips", "nic.macs", "nic.bridges",
+ "nic.ips", "nic.macs", "nic.bridges", "network_port",
"disk.sizes", "disk_usage",
"beparams", "hvparams",
"oper_state", "oper_ram", "status",
