1 NET_IPV4_ROUTE_FLUSH 2 NET_IPV4_ROUTE_MIN_DELAY 3 NET_IPV4_ROUTE_MAX_DELAY 4 NET_IPV4_ROUTE_GC_THRESH 5 NET_IPV4_ROUTE_MAX_SIZE 6 NET_IPV4_ROUTE_GC_MIN_INTERVAL 7 NET_IPV4_ROUTE_GC_TIMEOUT 8 NET_IPV4_ROUTE_GC_INTERVAL 9 NET_IPV4_ROUTE_REDIRECT_LOAD 10 NET_IPV4_ROUTE_REDIRECT_NUMBER 11 NET_IPV4_ROUTE_REDIRECT_SILENCE 12 NET_IPV4_ROUTE_ERROR_COST 13 NET_IPV4_ROUTE_ERROR_BURST 14 NET_IPV4_ROUTE_GC_ELASTICITY 15 NET_IPV4_ROUTE_MTU_EXPIRES 16 NET_IPV4_ROUTE_MIN_PMTU 17 NET_IPV4_ROUTE_MIN_ADVMSS 18 NET_IPV4_ROUTE_SECRET_INTERVAL 19 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS 20