r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
getsockopt$IP6T_SO_GET_ENTRIES(r0, 0x29, 0x41, &(0x7f0000002180)={'nat\x00', 0x4, "2a509470"}, &(0x7f0000002240)=0x28)