Nits for mordor

[strseb]

• Dont try to give a pointer to an unallocated vector
• Dont try to create an address from an empty string
• Use correct byteorder for wireguard

Description

Describe your changes

Reference

i.e Jira or Github issue URL

Checklist

• My code follows the style guidelines for this project
• I have not added any packages that contain high risk or unknown licenses (GPL, LGPL, MPL, etc. consult with DevOps if in question)
• I have performed a self review of my own code
• I have commented my code PARTICULARLY in hard to understand areas
• I have added thorough tests where needed