Multiple plugins hitting EHOSTUNREACH errors
**Describe Your Problem:**
I have Homebridge installed on a Raspberry Pi 3. Recently I started seeing multiple plugins hitting the same EHOSTUNREACH errors which is impacting their functionality.

Troubleshooting steps taken:
1. Restarting my Homebridge server multiple times
2. Restarting my routers (Eero Pro)
3. Assigning a static IP address to Homebridge
4. Disabling some of the Eero experimental features (e.g. Local DNS caching)

Unfortunately none of the steps appear to have made a difference and I am still seeing the same errors.

**Logs:**
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```
[12/6/2020, 12:52:11 PM] [Ring] Failed to reach Ring server at https://app.ring.com/api/v1/mode/location/23586bbd-5839-4ed8-845d-557d27155344.  connect EHOSTUNREACH 54.242.113.239:443.  Trying again in 5 seconds...
[12/6/2020, 12:52:16 PM] [Ring] Failed to reach Ring server at https://app.ring.com/api/v1/mode/location/23586bbd-5839-4ed8-845d-557d27155344.  connect EHOSTUNREACH 54.242.113.239:443.  Trying again in 5 seconds...
[12/6/2020, 12:52:20 PM] [LitterRobotPlatform] Error syncing Litter-Robot a8afe801fdba02: connect EHOSTUNREACH 13.224.10.93:443
[12/6/2020, 12:52:21 PM] [Ring] Failed to reach Ring server at https://app.ring.com/api/v1/mode/location/23586bbd-5839-4ed8-845d-557d27155344.  connect EHOSTUNREACH 54.242.113.239:443.  Trying again in 5 seconds...
```

**Homebridge Config:**
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```json
{
    "bridge": {
        "name": "Homebridge 1A44",
        "username": "***",
        "port": 51433,
        "pin": "***"
    },
    "accessories": [],
    "platforms": [
        {
            "name": "Config",
            "port": 8581,
            "auth": "form",
            "theme": "dark-mode",
            "tempUnits": "f",
            "lang": "auto",
            "platform": "config"
        },
        {
            "name": "SmartThings-v2",
            "app_url": "https://graph-na04-useast2.api.smartthings.com:443/api/smartapps/installations/",
            "app_id": "***",
            "access_token": "***",
            "direct_port": 8000,
            "temperature_unit": "F",
            "validateTokenId": false,
            "logConfig": {
                "debug": false,
                "showChanges": true,
                "hideTimestamp": true,
                "hideNamePrefix": true,
                "file": {
                    "enabled": true,
                    "level": "good"
                }
            },
            "platform": "SmartThings-v2"
        },
        {
            "name": "Nest",
            "googleAuth": {
                "issueToken": "***",
                "cookies": "***",
                "apiKey": "***"
            },
            "platform": "Nest"
        },
        {
            "email": "***",
            "password": "***",
            "platform": "NeatoVacuumRobot"
        },
        {
            "refreshToken": "***",
            "platform": "Ring"
        },
        {
            "name": "Tilt Bridge",
            "username": "***",
            "password": "***",
            "closeUp": false,
            "platform": "MySmartBlindsBridge"
        },
        {
            "username": "***",
            "password": "***",
            "hideTrayAccessory": true,
            "pollingFrequency": 60,
            "platform": "LitterRobotPlatform"
        }
    ]
}
```

**Environment:**

* **Node.js Version**: v14.15.0
* **NPM Version**: v6.14.8
* **Homebridge Version**: v1.2.3
* **Operating System**: Raspbian 9 (stretch)
* **Process Supervisor**: hb-service v4.35.0
