917cda18e5
NatTable gains bindings: Vec<NatBinding> field. record_snat()
called after successful SNAT rewrite captures original→translated
src_addr/port mapping. Bindings capped at 1024 entries (FIFO).
format_bindings() returns:
Active SNAT bindings: 3
10.0.0.1:1234 -> 192.168.1.100:40001
10.0.0.2:5678 -> 192.168.1.100:40002
Useful for diagnosing NAT issues and seeing which internal
connections are being source-NAT'd. Mirrors Linux
/proc/net/ip_conntrack display.
All 31 tests pass.