From a0a89d4b109a2132516cfc2cfa70f8d6ea519346 Mon Sep 17 00:00:00 2001
From: jiceatscion <139873336+jiceatscion@users.noreply.github.com>
Date: Thu, 2 Nov 2023 10:45:51 +0100
Subject: [PATCH] router: fix interface label of router metrics (#4430)

The interface label value of every metric instance had been lost to a refactoring in #4422.
---
 router/metrics.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/router/metrics.go b/router/metrics.go
index df7af4c74f..6c7f9ad7d4 100644
--- a/router/metrics.go
+++ b/router/metrics.go
@@ -283,7 +283,7 @@ func newInterfaceMetrics(
 	localIA addr.IA,
 	neighbors map[uint16]addr.IA) interfaceMetrics {
 
-	ifLabels := interfaceLabels(0, localIA, neighbors)
+	ifLabels := interfaceLabels(id, localIA, neighbors)
 	m := interfaceMetrics{}
 	for sc := minSizeClass; sc < maxSizeClass; sc++ {
 		scLabels := prometheus.Labels{"sizeclass": sc.String()}