host.docker.internal not resolving

[Dialgatrainer02]

Describe the bug 请详细描述问题（ZH_CN） A clear and concise description of what the bug is. when using redroid as a local dev emulator. using extra_hosts to connect to the hosts localhost doesnt resolve

make sure the required kernel modules present 确保必须的内核功能已开启（ZH_CN）

• [x] grep binder /proc/filesystems
• [ ] grep ashmem /proc/misc (optional)

Collect debug logs 收集调试日志（ZH_CN）

[CONTAINER]` omit CONTAINER if not exist any more. 如容器已退出，可忽略CONTAINER参数（ZH_CN）

name: redroid
services:
    redroid:
        stdin_open: true
        tty: true
        privileged: true
        ports:
          - 5555:5555
        pull_policy: always
        volumes:
            - ~/data:/data
        image: redroid/redroid:12.0.0_64only-latest
        command: ro.secure=0 androidboot.redroid_gpu_mode=auto
        extra_hosts:
          - "host.docker.internal:host-gateway"

host os: arch linux docker -v Docker version 28.0.4, build b8034c0ed7

Screenshots 截图（ZH_CN） If applicable, add screenshots to help explain your problem.

[Dialgatrainer02]

redroid-debug.PyxvAh6U.zip

[madobet]

我也遇到了，安卓容器，或者至少基于类似 redroid 的安卓容器，都有这个问题。而且这个问题还不仅是 extra_hosts。你通过 service 的名字访问其他容器也是无法解析的，进而不能路由，不知道安卓搞了什么东西。

[MoaMoa90]

i got same problem too, cannot connect with host machine