fix(iroh-net): prevent adding addressing info that points back to us #8562

Job	Run time
Cross Test (i686-unknown-linux-gnu)	2m 30s
Cross Build Only (armv7-linux-androideabi)	1m 1s
Cross Build Only (aarch64-linux-android)	1m 1s
cargo deny	31s
Cross Build Only (x86_64-unknown-freebsd)	1m 7s
Checking docs	1m 39s
Cross Build Only (x86_64-unknown-netbsd)	1m 10s
Checking fmt	5s
check_semver	5m 6s
clippy_check	2m 48s
Build wasm32	33s
Minimal Supported Rust Version	1m 17s
Run network simulations/benchmarks	7m 45s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 20s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 55s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 56s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 52s
CI Test Suite / Tests (ubuntu-latest, stable, none)	3m 21s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 1s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 54s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 3s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 41s
	58m 36s

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