libSceNetCtl technical debt

sceNetCtlGetNatInfo (libSceNetCtl) - sceNetCtlGetNatInfo validates null pointers and returns SCE_NET_CTL_ERROR_NOT_CONNECTED (0x80412108) without performing NAT discovery.

sceNetCtlGetInfo (libSceNetCtl) - answers from the host interface that holds an IPv4 address, preferring the one that carries the default route: its address, netmask, gateway, MTU and first two IPv4 DNS servers. The device is reported as wired, the link as connected, the IP configuration as DHCP and the HTTP proxy as off, whatever the host uses, and the Ethernet address is the one sceNetGetMacAddress reports. A gateway or DNS server the interface does not have is reported as 0.0.0.0; what a console reports then is unknown. The DHCP host name (12), the PPPoE user name (13) and the HTTP proxy server (20) are empty strings, as that configuration sets none of them; the HTTP proxy port (21) is 0; the Wi-Fi codes (5-10) throw