pf_keth_rule_addr
struct pf_keth_rule_addr src, dst;
pf_match_eth_addr(const uint8_t *a, const struct pf_keth_rule_addr *r)
struct pf_keth_rule_addr *krule)
pf_keth_rule_addr_to_nveth_rule_addr(const struct pf_keth_rule_addr *krule)