get first interface with ipv4 or return 0.0.0.0 if none

[si458]

Signed-off-by: Simon Smith [email protected]

Description

rpi4 has built in wifi, even tho its not used, the first interface seems to be the wifi, so no ipv4 address is defined

Related Issue

This PR fixes or closes issue: fixes crismc/homeassistant_addons#8

Motivation and Context

How Has This Been Tested

Types of changes

• 🐛 Bug fix (non-breaking change which fixes an issue)
• 🚀 New feature (non-breaking change which adds functionality)
• 🌎 Translation (addition or update a translation)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have tested the change locally.

[crismc]

Thanks for making the changes!