iptable_nat_table_init 16 net/ipv4/netfilter/iptable_nat.c static int __net_init iptable_nat_table_init(struct net *net); iptable_nat_table_init 26 net/ipv4/netfilter/iptable_nat.c .table_init = iptable_nat_table_init, iptable_nat_table_init 136 net/ipv4/netfilter/iptable_nat.c ret = iptable_nat_table_init(&init_net);