fix(iroh-net): prevent adding addressing info that points back to us #8479

Job	Run time
Build wasm32	35s
Cross Build Only (armv7-linux-androideabi)	1m 2s
Cross Build Only (aarch64-linux-android)	1m 0s
Cross Build Only (x86_64-unknown-freebsd)	1m 6s
Cross Build Only (x86_64-unknown-netbsd)	1m 8s
Checking docs	1m 42s
cargo deny	30s
Checking fmt	7s
check_semver	4m 2s
clippy_check	3m 2s
Cross Test (i686-unknown-linux-gnu)	2m 46s
Minimal Supported Rust Version	1m 47s
Run network simulations/benchmarks	7m 10s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 39s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 50s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 16s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 52s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 23s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 54s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 17s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 55s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 3s
	54m 6s

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