IPE_V4_HASH_FN
hv = IPE_V4_HASH_FN(ipe.ipe_addr.i6[0], ipe.ipe_mask.i6[0],
hv = IPE_V4_HASH_FN(ipe.ipe_addr.in4_addr,
hv = IPE_V4_HASH_FN(ips, msk, iph->iph_size);
hv = IPE_V4_HASH_FN(ipe->ipe_addr.in4_addr,