X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fdevices%2Ftap%2Ftap.c;h=6f16a4cd71d15ba7f1513f6eb8a0f8c78b2c8c9f;hb=91592c0c9cdd1bc61a2796e41a8becc30aaf8082;hp=f47c1ea3f95ef2157a6c9776265d1fcd69acc1c7;hpb=3039753eda526e63d57a09debd3762e5590459df;p=vpp.git

diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c
index f47c1ea3f95..6f16a4cd71d 100644
--- a/src/vnet/devices/tap/tap.c
+++ b/src/vnet/devices/tap/tap.c
@@ -411,18 +411,6 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
 	}
     }
 
-  /* switch back to old net namespace */
-  if (args->host_namespace)
-    {
-      if (setns (old_netns_fd, CLONE_NEWNET) == -1)
-	{
-	  args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
-	  args->error = clib_error_return_unix (0, "setns '%s'",
-						args->host_namespace);
-	  goto error;
-	}
-    }
-
   if (args->host_mtu_set)
     {
       args->error =
@@ -446,6 +434,18 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
       args->host_mtu_size = tm->host_mtu_size;
     }
 
+  /* switch back to old net namespace */
+  if (args->host_namespace)
+    {
+      if (setns (old_netns_fd, CLONE_NEWNET) == -1)
+	{
+	  args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
+	  args->error = clib_error_return_unix (0, "setns '%s'",
+						args->host_namespace);
+	  goto error;
+	}
+    }
+
   for (i = 0; i < num_q_pairs; i++)
     {
       if (i < vif->num_rxqs && (args->error =
@@ -621,6 +621,7 @@ error:
       args->rv = VNET_API_ERROR_SYSCALL_ERROR_3;
     }
 
+  tap_log_err (vif, "%U", format_clib_error, args->error);
   tap_free (vm, vif);
 done:
   if (vhost_mem)