Tests: Raise exception if API cli_inband command fails.

[vpp.git] / src / vnet / pg / cli.c

diff --git a/src/vnet/pg/cli.c b/src/vnet/pg/cli.c
index 9c42d70..8f82ac1 100644 (file)
--- a/src/vnet/pg/cli.c
+++ b/src/vnet/pg/cli.c
@@ -87,7 +87,8 @@ pg_capture (pg_capture_args_t * a)
     {
       struct stat sb;
       if (stat ((char *) a->pcap_file_name, &sb) != -1)
-       return clib_error_return (0, "Cannot create pcap file");
+       return clib_error_return (0, "pcap file '%s' does not exist.",
+                                 a->pcap_file_name);
     }
 
   pi = pool_elt_at_index (pg->interfaces, a->dev_instance);