如何解决SIOCADDRT：尝试添加路由时网络无法访问
这是来自 Ubuntu 的 ifconfig：
eno1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether ac:1f:6b:3c:60:c4 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eno2: flags=4163<UP,RUNNING,MULTICAST> mtu 1500
inet 10.134.50.124 netmask 255.255.255.0 broadcast 10.134.50.255
inet6 fe80::c94e:c0f0:2149:ce10 prefixlen 64 scopeid 0x20<link>
ether ac:1f:6b:3c:60:c5 txqueuelen 1000 (Ethernet)
RX packets 116239544 bytes 98775856318 (98.7 GB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 38366240 bytes 7250711499 (7.2 GB)
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 1094335 bytes 262320880 (262.3 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1094335 bytes 262320880 (262.3 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099<UP,MULTICAST> mtu 1500
inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255
ether 52:54:00:f9:60:b6 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
vmnet1: flags=4163<UP,MULTICAST> mtu 1500
inet 172.16.212.1 netmask 255.255.255.0 broadcast 172.16.212.255
inet6 fe80::54af:eff1:f932:d2b8 prefixlen 64 scopeid 0x20<link>
ether 00:50:56:c0:00:01 txqueuelen 1000 (Ethernet)
RX packets 4002 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 151408 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
vmnet8: flags=4163<UP,MULTICAST> mtu 1500
inet 192.168.36.1 netmask 255.255.255.0 broadcast 192.168.36.255
inet6 fe80::bba6:8b54:ddcf:8499 prefixlen 64 scopeid 0x20<link>
ether 00:50:56:c0:00:08 txqueuelen 1000 (Ethernet)
RX packets 4214 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 152463 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
这是来自 Windows 的 ipconfig（使用 Cygwin）：
Windows IP Configuration
Ethernet adapter Ethernet:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : cwnow.local
Ethernet adapter VirtualBox Host-Only Network:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::d8fb:7a9d:b018:8399%20
IPv4 Address. . . . . . . . . . . : 192.168.56.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
Ethernet adapter Npcap Loopback Adapter:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::927:546c:aa9d:f57e%19
Autoconfiguration IPv4 Address. . : 169.254.245.126
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
Wireless LAN adapter Local Area Connection* 1:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Wireless LAN adapter Local Area Connection* 3:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Ethernet adapter VMware Network Adapter VMnet1:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::a941:328d:af54:6a14%12
IPv4 Address. . . . . . . . . . . : 192.168.146.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
Ethernet adapter VMware Network Adapter VMnet8:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::9ed:bfc8:373c:3ce6%2
IPv4 Address. . . . . . . . . . . : 192.168.195.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
Wireless LAN adapter Wi-Fi:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::fcfd:d9cc:e5ba:3c31%13
IPv4 Address. . . . . . . . . . . : 10.134.52.220
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 10.134.52.196
Ethernet adapter Bluetooth Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
当我在 Windows 机器上时，我可以 ping Ubuntu 机器：
$ ping -c 3 10.134.50.124
PING 10.134.50.124 (10.134.50.124): 56 data bytes
64 bytes from 10.134.50.124: icmp_seq=0 ttl=62 time=3.011 ms
64 bytes from 10.134.50.124: icmp_seq=1 ttl=62 time=4.598 ms
64 bytes from 10.134.50.124: icmp_seq=2 ttl=62 time=2.967 ms
--- 10.134.50.124 ping statistics ---
3 packets transmitted,3 packets received,0% packet loss
round-trip min/avg/max/stddev = 2.967/3.525/4.598/0.759 ms
但我无法从 Ubuntu 机器 ping Windows 机器：
$ ping -c 3 10.134.52.220
PING 10.134.52.220 (10.134.52.220) 56(84) bytes of data.
--- 10.134.52.220 ping statistics ---
3 packets transmitted,0 received,100% packet loss,time 2080ms
我在 Ubuntu 机器上尝试了一些 route 命令，但没有成功：
$ route add -host 10.134.52.220 gw 10.134.52.196
SIOCADDRT: Operation not permitted
$ route add -host 10.134.52.220 gw 10.134.52.196 netmask 255.255.248.0
route: netmask 000007ff doesn't make sense with host route
$ route add -host 10.134.52.220/24 gw 10.134.52.196
route: netmask 000000ff doesn't make sense with host route
$ route add -host 10.134.52.220/21 gw 10.134.52.196
route: netmask 000007ff doesn't make sense with host route
这是 Ubuntu 上的路由表：
$ netstat -ar
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
default _gateway 0.0.0.0 UG 0 0 0 eno2
10.134.50.0 0.0.0.0 255.255.255.0 U 0 0 0 eno2
10.134.52.220 _gateway 255.255.255.255 UGH 0 0 0 eno2
link-local 0.0.0.0 255.255.0.0 U 0 0 0 eno2
172.16.212.0 0.0.0.0 255.255.255.0 U 0 0 0 vmnet1
192.168.36.0 0.0.0.0 255.255.255.0 U 0 0 0 vmnet8
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
这是 Windows 上的路由表：
$ netstat -ar
===========================================================================
Interface List
23...8c 16 45 26 ae 98 ......Intel(R) Ethernet Connection (5) I219-LM
20...0a 00 27 00 00 14 ......VirtualBox Host-Only Ethernet Adapter
19...02 00 4c 4f 4f 50 ......Npcap Loopback Adapter
4...76 e5 f9 dd 66 34 ......Microsoft Wi-Fi Direct Virtual Adapter
7...74 e5 f9 dd 66 35 ......Microsoft Wi-Fi Direct Virtual Adapter #2
12...00 50 56 c0 00 01 ......VMware Virtual Ethernet Adapter for VMnet1
2...00 50 56 c0 00 08 ......VMware Virtual Ethernet Adapter for VMnet8
13...74 e5 f9 dd 66 34 ......Intel(R) Dual Band Wireless-AC 8265
11...74 e5 f9 dd 66 38 ......Bluetooth Device (Personal Area Network)
1...........................Software Loopback Interface 1
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 10.134.52.196 10.134.52.220 50
10.134.52.0 255.255.255.0 On-link 10.134.52.220 306
10.134.52.220 255.255.255.255 On-link 10.134.52.220 306
10.134.52.255 255.255.255.255 On-link 10.134.52.220 306
127.0.0.0 255.0.0.0 On-link 127.0.0.1 331
127.0.0.1 255.255.255.255 On-link 127.0.0.1 331
127.255.255.255 255.255.255.255 On-link 127.0.0.1 331
169.254.0.0 255.255.0.0 On-link 169.254.245.126 281
169.254.245.126 255.255.255.255 On-link 169.254.245.126 281
169.254.255.255 255.255.255.255 On-link 169.254.245.126 281
192.168.56.0 255.255.255.0 On-link 192.168.56.1 281
192.168.56.1 255.255.255.255 On-link 192.168.56.1 281
192.168.56.255 255.255.255.255 On-link 192.168.56.1 281
192.168.146.0 255.255.255.0 On-link 192.168.146.1 291
192.168.146.1 255.255.255.255 On-link 192.168.146.1 291
192.168.146.255 255.255.255.255 On-link 192.168.146.1 291
192.168.195.0 255.255.255.0 On-link 192.168.195.1 291
192.168.195.1 255.255.255.255 On-link 192.168.195.1 291
192.168.195.255 255.255.255.255 On-link 192.168.195.1 291
224.0.0.0 240.0.0.0 On-link 127.0.0.1 331
224.0.0.0 240.0.0.0 On-link 192.168.56.1 281
224.0.0.0 240.0.0.0 On-link 192.168.146.1 291
224.0.0.0 240.0.0.0 On-link 192.168.195.1 291
224.0.0.0 240.0.0.0 On-link 169.254.245.126 281
224.0.0.0 240.0.0.0 On-link 10.134.52.220 306
255.255.255.255 255.255.255.255 On-link 127.0.0.1 331
255.255.255.255 255.255.255.255 On-link 192.168.56.1 281
255.255.255.255 255.255.255.255 On-link 192.168.146.1 291
255.255.255.255 255.255.255.255 On-link 192.168.195.1 291
255.255.255.255 255.255.255.255 On-link 169.254.245.126 281
255.255.255.255 255.255.255.255 On-link 10.134.52.220 306
===========================================================================
Persistent Routes:
None
IPv6 Route Table
===========================================================================
Active Routes:
If Metric Network Destination Gateway
1 331 ::1/128 On-link
20 281 fe80::/64 On-link
12 291 fe80::/64 On-link
2 291 fe80::/64 On-link
19 281 fe80::/64 On-link
13 306 fe80::/64 On-link
19 281 fe80::927:546c:aa9d:f57e/128
On-link
2 291 fe80::9ed:bfc8:373c:3ce6/128
On-link
12 291 fe80::a941:328d:af54:6a14/128
On-link
20 281 fe80::d8fb:7a9d:b018:8399/128
On-link
13 306 fe80::fcfd:d9cc:e5ba:3c31/128
On-link
1 331 ff00::/8 On-link
20 281 ff00::/8 On-link
12 291 ff00::/8 On-link
2 291 ff00::/8 On-link
19 281 ff00::/8 On-link
13 306 ff00::/8 On-link
===========================================================================
Persistent Routes:
None
我需要什么路由命令才能让 Ubuntu 访问 Windows 机器？
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