PF_LIMIT_ETH_ANCHORS
{ "eth-anchors", PF_LIMIT_ETH_ANCHORS },
V_pf_limits[PF_LIMIT_ETH_ANCHORS].zone = V_pf_eth_anchor_z;
V_pf_limits[PF_LIMIT_ETH_ANCHORS].limit = PF_ANCHOR_HIWAT;