fix(iroh-net): prevent adding addressing info that points back to us #8450

Job	Run time
Cross Build Only (armv7-linux-androideabi)	1m 2s
Cross Build Only (aarch64-linux-android)	59s
Cross Build Only (x86_64-unknown-freebsd)	1m 5s
Checking docs	1m 20s
Checking fmt	10s
Cross Build Only (x86_64-unknown-netbsd)	1m 7s
check_semver	5m 4s
Cross Test (i686-unknown-linux-gnu)	2m 51s
Build wasm32	53s
clippy_check	2m 26s
Minimal Supported Rust Version	1m 34s
cargo deny	30s
Run network simulations/benchmarks	7m 40s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 19s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 42s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 49s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 51s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 4s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 57s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 54s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 5s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 43s
	58m 5s

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