Same here, in openstack instance:
vm--->openstack--->vmware workstation ens37(bridge)---> windows11(interface)
```
$ ping 223.5.5.5
PING 223.5.5.5 (223.5.5.5) 56(84) bytes of data.
64 bytes from 223.5.5.5: icmp_seq=1 ttl=116 time=9.32 ms
64 bytes from 223.5.5.5: icmp_seq=1 ttl=116 time=9.32 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=1 ttl=115 time=9.32 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=1 ttl=115 time=9.32 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=2 ttl=116 time=8.24 ms
64 bytes from 223.5.5.5: icmp_seq=2 ttl=116 time=8.24 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=2 ttl=115 time=8.24 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=2 ttl=115 time=8.24 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=3 ttl=116 time=8.39 ms
64 bytes from 223.5.5.5: icmp_seq=3 ttl=115 time=8.39 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=3 ttl=116 time=8.72 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=3 ttl=115 time=8.72 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=4 ttl=116 time=8.39 ms
64 bytes from 223.5.5.5: icmp_seq=4 ttl=116 time=8.39 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=4 ttl=115 time=8.39 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=4 ttl=115 time=8.39 ms (DUP!)
64 bytes from 223.5.5.5: icmp_seq=5 ttl=116 time=8.44 ms
64 bytes from 223.5.5.5: icmp_seq=5 ttl=116 time=8.44 ms (DUP!)
```
I found that i should disable `IPEnableRouter` in windows11。
This configuration is disabled by default. Since I was using tailscale, I had to enable it before. Once I disabled it again, the problem was resolved.
set `IPEnableRouter` it to 0， then reboot windows11.
```
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
```
