WSL2 - Network routability

[wzsanders]

Windows Version

Microsoft Windows [Version 10.0.22621.1848]

WSL Version

1.2.5.0

Are you using WSL 1 or WSL 2?

• WSL 2
• WSL 1

Kernel Version

5.15.90.1

Distro Version

Ubuntu 22.04

Other Software

No response

Repro Steps

1. Launch WSL
2. Ping any IP address or use network connectivity. It works as expected.
3. Hibernate or leave the computer for a period of time.
4. Ping any IP address or use tools that access the network. No connections are established.

Expected Behavior

Network connectivity should continue to function as normal after hibernation or sleep.

Actual Behavior

Network connectivity no longer works after hibernation or sleep.

Diagnostic Logs

broken-networking-WslLogs-2023-06-24_20-24-20.zip
working-networking-WslLogs-2023-06-24_20-55-00.zip

External links for the networking.bat etl files that are larger than 25MB
https://send.bitwarden.com/#OPiMpM9EV0SjjbAsACSYhQ/h0zTl37zdRlPQJ7hDavjQg - working logs
https://send.bitwarden.com/#hP_oeYLk-EmZJrAsACTkuw/7wzsZLc14lJei2dTcZX7YQ - broken logs

Wireshark Capture
wireshark-export.zip

What was interesting about the wireshark capture is that even in the broken state, where WSL was experiencing connectivity issues, wireshark was still seeing the ICMP reply from 1.1.1.1
That appears as if the vEthernet switch is not properly passing the NAT traffic back to WSL

[wzsanders]

Appears to be resolved by: #4926 (comment)