5d3a72f683
The `networking.interfaces.<name?>.proxyARP` option previously mentioned it would also enable IPv6 forwarding and `proxy_ndp`. However, the `proxy_ndp` option was never actually set (the non-existing `net.ipv6.conf.proxy_arp` sysctl was set instead). In addition `proxy_ndp` also needs individual entries for each ip to proxy for. Proxy ARP and Proxy NDP are two different concepts, and enabling the latter should be a conscious decision. This commit removes the broken NDP support, and disables explicitly enabling IPv6 forwarding (which is the default in most cases anyways) Fixes #62339.
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