pf_icmp_state_lookup
int pf_icmp_state_lookup(struct pf_state_key_cmp *,
ret = pf_icmp_state_lookup(&key, pd, state, virtual_id,
ret = pf_icmp_state_lookup(&key, pd, state,
ret = pf_icmp_state_lookup(&key, &pd2, state,
ret = pf_icmp_state_lookup(&key, &pd2, state,
ret = pf_icmp_state_lookup(&key, &pd2,