From 8adce0ea02a97629d2755f795878019329d883cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Mon, 25 Sep 2023 17:15:15 +0800
Subject: [PATCH] android: Check netlink available on monitor create

---
 monitor_linux.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/monitor_linux.go b/monitor_linux.go
index 50885d9..33b5308 100644
--- a/monitor_linux.go
+++ b/monitor_linux.go
@@ -2,6 +2,7 @@ package tun
 
 import (
 	"os"
+	"runtime"
 	"sync"
 
 	"github.com/sagernet/netlink"
@@ -20,12 +21,19 @@ type networkUpdateMonitor struct {
 }
 
 func NewNetworkUpdateMonitor(logger logger.Logger) (NetworkUpdateMonitor, error) {
-	return &networkUpdateMonitor{
+	monitor := &networkUpdateMonitor{
 		routeUpdate: make(chan netlink.RouteUpdate, 2),
 		linkUpdate:  make(chan netlink.LinkUpdate, 2),
 		close:       make(chan struct{}),
 		logger:      logger,
-	}, nil
+	}
+	if runtime.GOOS == "android" {
+		_, err := netlink.LinkList()
+		if err != nil {
+			return nil, err
+		}
+	}
+	return monitor, nil
 }
 
 func (m *networkUpdateMonitor) Start() error {