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