fix: deleting interfaces too fast caused assert

Author: demo-exe

vpp-patches/0033-fix-deleting-interfaces-too-fast-causes-stat-segment.patch

@@ -0,0 +1,32 @@
+From af871abd542a60b8e71a3030fa264432daabd4df Mon Sep 17 00:00:00 2001
+From: Marcin Zyla <marcin.zyla@vprocess.pl>
+Date: Tue, 16 Sep 2025 12:59:31 +0200
+Subject: [PATCH] fix: deleting interfaces too fast causes stat segment
+ assertion
+
+fixes:
+/vpp-src/src/vlib/stats/collector.c:88 (update_node_counters) assertion `node_data[i].symlinks[j] != CLIB_U32_MAX' fails"
+---
+ src/vnet/interface.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/vnet/interface.c b/src/vnet/interface.c
+index db47d42c8..68c1f121d 100644
+--- a/src/vnet/interface.c
++++ b/src/vnet/interface.c
+@@ -1149,9 +1149,9 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index)
+ 	}
+ 
+       vlib_node_rename (vm, hw->output_node_index,
+-			"interface-%d-output-deleted", hw_if_index);
+-      vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted",
+-			hw_if_index);
++			"interface-%d-%d-output-deleted", hw->output_node_index, hw_if_index);
++      vlib_node_rename (vm, hw->tx_node_index, "interface-%d-%d-tx-deleted", 
++			hw->tx_node_index, hw_if_index);
+       vlib_unregister_errors (vm, hw->output_node_index);
+       vlib_unregister_errors (vm, hw->tx_node_index);
+       vec_add2 (im->deleted_hw_interface_nodes, dn, 1);
+-- 
+2.51.0
+