Electron app Failed to get ipaddress when exported as Snap

I am trying to make a snap for my little application “OpenSpeedTest-Server” This is a simple network performance estimation tool.
It is working fine on Windows, Mac and Linux (DEB). When i Export the same in Snap, Application unable to get the client device ip address.

i try “confinement”: “classic”, and plugs network observe etc. but nothing worked.

I added “@davidwinter/electron-forge-maker-snap” DevDependency manually and exporting it as snap actually working.

The only problem is application cannot get device ip address.

My Electron Forge package.json

{
  "name": "OpenSpeedTest-Server",
  "productName": "OpenSpeedTest-Server",
  "version": "2.1.0",
  "description": "Network Speed Test Server - by OpenSpeedTest",
  "main": "src/index.js",
  "scripts": {
    "start": "electron-forge start",
    "package": "electron-forge package",
    "make": "electron-forge make",
    "publish": "electron-forge publish",
    "lint": "echo \"No linting configured\""
  },
  "keywords": [],
  "author": {
    "name": "OpenSpeedTest",
    "email": "support@openspeedtest.com"
  },
  "license": "MIT",
  "config": {
    "confinement": "devmode",
    "forge": {
      "packagerConfig": {
        "icon": "src/icon.png"
      },
      "makers": [
        {
          "name": "@davidwinter/electron-forge-maker-snap",
          "config": {
            "name": "OpenSpeedTest_Server",
            "categories": [
              "Utility"
            ]
          }
        },
        {
          "name": "@electron-forge/maker-zip",
          "platforms": [
            "darwin"
          ]
        },
        {
          "name": "@electron-forge/maker-deb",
          "config": {}
        },
        {
          "name": "@electron-forge/maker-rpm",
          "config": {}
        }
      ]
    }
  },
  "dependencies": {
    "@davidwinter/electron-forge-maker-snap": "^2.0.4",
    "cors": "^2.8.5",
    "electron-squirrel-startup": "^1.0.0",
    "express": "^4.17.1",
    "internal-ip": "^6.2.0",
    "tcp-port-used": "^1.0.2"
  },
  "devDependencies": {
    "@electron-forge/cli": "^6.0.0-beta.57",
    "@electron-forge/maker-deb": "^6.0.0-beta.57",
    "@electron-forge/maker-rpm": "^6.0.0-beta.57",
    "@electron-forge/maker-squirrel": "^6.0.0-beta.57",
    "@electron-forge/maker-zip": "^6.0.0-beta.57",
    "electron": "13.1.2"
  }
}

How to solve this issue.

{
“name”: “@davidwinter/electron-forge-maker-snap”,
“config”: {
“name”: “OpenSpeedTest_Server”,
“categories”: [
“Utility”
],
“stagePackages”: [
“default”,
“iproute2”
]
}
},

added iproute2 as stage package resolved my issue.

Is there a specific apparmor denial in dmesg? Are you plugging network-observe interface?

issue resolved when i added iproute2 as stage package.

You know how to do the same on FlatPak? @mborzecki