Symbol: ICMP_NET_ANO
net/ipv4/cipso_ipv4.c
1738
__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, &parm);
net/ipv4/netfilter/ipt_REJECT.c
50
nf_send_unreach(skb, ICMP_NET_ANO, hook);