AllowedIps: Use ip_network_table instead of homegrown trie impl #184
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ip_network_table
crate is exactly what we need so use it instead ofown trie impl. Big code/complexity reduction. Keep all unit tests.
This in turn uses
ip_network
andtreebitmap
crates, these bothlook good too. (wireguard-rs also uses these, fwiw.)
Make small changes to rest of code as needed. AllowedIps interface is
mostly the same but I couldn't resist a few tweaks.