Wed Jul 8 18:46:19 2026 daemon.notice netifd: Network device ‘eth3’ link is down
Wed Jul 8 18:46:19 2026 kern.info kernel: [ 7230.088115] igb 0000:04:00.0 eth3: igb: eth3 NIC Link is Down
Wed Jul 8 18:46:19 2026 kern.info kernel: [ 7230.088340] br-lan: port 3(eth3) entered disabled state
Wed Jul 8 18:46:20 2026 daemon.notice netifd: bridge ‘br-lan’ link is down
Wed Jul 8 18:46:20 2026 daemon.notice netifd: Interface ‘lan’ has link connectivity loss
Wed Jul 8 18:46:22 2026 kern.info kernel: [ 7233.168406] igb 0000:04:00.0 eth3: igb: eth3 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Wed Jul 8 18:46:22 2026 daemon.notice netifd: Network device ‘eth3’ link is up
Wed Jul 8 18:46:22 2026 daemon.notice netifd: bridge ‘br-lan’ link is up
Wed Jul 8 18:46:22 2026 daemon.notice netifd: Interface ‘lan’ has link connectivity
Wed Jul 8 18:46:22 2026 kern.info kernel: [ 7233.288023] br-lan: port 3(eth3) entered blocking state
Wed Jul 8 18:46:22 2026 kern.info kernel: [ 7233.288037] br-lan: port 3(eth3) entered forwarding state
Wed Jul 8 18:47:12 2026 daemon.err uhttpd[19651]: tr: write error: Broken pipe
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: exiting on receipt of SIGTERM
Wed Jul 8 18:49:12 2026 user.notice dnsmasq: found already running DHCP-server on interface ‘br-lan’ refusing to start, use ‘option force 1’ to override
Wed Jul 8 18:49:12 2026 cron.err crond[15321]: crond (busybox 1.36.1) started, log level 5
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: started, version 2.90 cachesize 1000
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: DNS service limited to local subnets
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: compile time options: IPv6 GNU-getopt no-DBus UBus no-i18n no-IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset nftset auth cryptohash DNSSEC no-ID loop-detect inotify dumpfile
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: UBus support enabled: connected to system bus
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for test
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for onion
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for localhost
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for local
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for invalid
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for bind
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for lan
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: reading /tmp/resolv.conf.d/resolv.conf.auto
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using nameserver 240e:56:4000:8000::69#53
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using nameserver 240e:56:4000::218#53
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for test
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for onion
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for localhost
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for local
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for invalid
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for bind
Wed Jul 8 18:49:12 2026 daemon.info dnsmasq[1]: using only locally-known addresses for lan
换过lan口了，网线也换过了，lan和wan口对换过了，openwrt魔改的也装过了，一样的问题，老是网口断开又连接，后面我还以为是dhcp没关的原因，结果还是不行，因为局域网还有一台爱快的路由器，我用的4口千兆J4125装的，32G闪存，8G内存，也没装个啥，就装了一个openclash和一个rustdesk，没装也是一样的，求大神支招啊，谢谢了。