这台电脑用于提供 SSH 远程访问。以太网电缆和网络都运行良好。然而，电脑突然失去连接，现在有线连接显示“？”符号。我 ping 了所有网站，但 100% 丢失 - 显然是因为连接问题
我已经尝试过了sudo nmcli networking on，sudo apt update && sudo apt upgrade但这些都没有任何改变。
以下是一些详细信息：
ifconfig
docker 0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
inet6 fe80::42:20ff:fe94:d4fc prefixlen 64 scopeid 0x20<link>
ether 02:42:a5:52:87:d7 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 141 bytes 16811 (16.8 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp10s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 165.132.40.21 netmask 255.255.255.0 broadcast 165.132.40.255
ether f0:2f:74:b2:71:5a txqueuelen 1000 (Ethernet)
RX packets 18768 bytes 1132857 (1.1 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 8204 bytes 382369 (382.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 26355 bytes 2164297(2.1 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 26355 bytes 2164297 (2.1 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
veth28a687f: flags=4163<UP,BROADCAST,RUNfe80NING,MULTICAST> mtu 1500
inet6 fe80::408a:fff:fe6f:29f0 prefixlen 64 scopeid 0x20<link>
ether 42:8a:0f:6f:29:f0 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 216 bytes 26045 (26.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
nmcli device status
enp10s0 ethernet connected profile 1
docker0 bridge connected docker0
veth28a687f ethernet unmanaged --
lo loopback unmanaged --