X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=5d6d8f7044d59d8ab644402da0cf6a634d01bbd1;hp=16acdf3214fb31aa155755195879df26316a9a11;hb=c5b285aebcfc93dcccf3285abbde672cf000e3cc;hpb=8ef4983395b46a834e3ffe712197ec2e2f2b50d1

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 16acdf3214..5d6d8f7044 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -950,10 +950,14 @@ class InterfaceUtil(object):
         ipv6 = 'ipv6' if ipv6 else ''
 
         with VatTerminal(node) as vat:
-            vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
-                                                    sw_index=sw_if_index,
-                                                    vrf=table_id,
-                                                    ipv6=ipv6)
+            ret = vat.vat_terminal_exec_cmd_from_template(
+                "set_fib_to_interface.vat",
+                sw_index=sw_if_index, vrf=table_id, ipv6=ipv6)
+
+        if ret[0]["retval"] != 0:
+            raise RuntimeError('Unable to assign interface to FIB node {}.'
+                               .format(node))
+
 
     @staticmethod
     def set_linux_interface_mac(node, interface, mac, namespace=None):