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[Bug]: macOS 26.1 container port forwarding broken - accepts connections but doesn't forward #919

@famibo

Description

@famibo

I have done the following

  • I have searched the existing issues
  • If possible, I've reproduced the issue using the 'main' branch of this project

Steps to reproduce

I'm starting the container with:
% container run -d -p 3001:3001 my-image

% curl -v -H "Host: localhost:3001" http://192.168.64.4:3001/api
-> Swagger HTML of the /api endpoint
-> * Connection #0 to host 192.168.64.4 left intact

% curl -v -H "Host: 192.168.64.4:3001" http://localhost:3001/api

  • Host localhost:3001 was resolved.
  • IPv6: ::1
  • IPv4: 127.0.0.1
  • Trying [::1]:3001...
  • connect to ::1 port 3001 from ::1 port 65129 failed: Connection refused
  • Trying 127.0.0.1:3001...
  • Connected to localhost (127.0.0.1) port 3001

GET /api HTTP/1.1
Host: 192.168.64.4:3001
User-Agent: curl/8.7.1
Accept: /

  • Request completely sent off
  • Empty reply from server
  • Closing connection
    curl: (52) Empty reply from server

Current behavior

Port forwarding to localhost:3001 is completely broken

Expected behavior

Port forwarding to localhost:3001 shouldn't be broken

Environment

- OS: macOS 26.1 (25B78)
- Xcode: 26.1.1 (17B100)
- Container: CLI version 0.6.0 (build: release, commit: a23bcf0)

Relevant log output

N/A

Code of Conduct

  • I agree to follow this project's Code of Conduct

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