Don't ever select the flannel bridge or cni bridge

k3s-io · Sep 16, 2021 · cdb18d0 · cdb18d0
1 parent f517242
commit cdb18d0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/staging/src/k8s.io/apimachinery/pkg/util/net/interface.go b/staging/src/k8s.io/apimachinery/pkg/util/net/interface.go
@@ -433,6 +433,9 @@ func chooseHostInterfaceFromRoute(routes []Route, nw networkInterfacer, addressF
 			if route.Family != family {
 				continue
 			}
+			if strings.HasPrefix(route.Interface, "flannel") || strings.HasPrefix(route.Interface, "cni") {
+				continue
+			}
 			klog.V(4).Infof("Default route transits interface %q", route.Interface)
 			finalIP, err := getIPFromInterface(route.Interface, family, nw)
 			if err != nil {