rc = PtlMEAttach(plni->plni_nih, plni->plni_portal, peer->plp_ptlid,
matchbits, 0, PTL_UNLINK, PTL_INS_BEFORE, &meh);
if (rc != PTL_OK) {
rc = PtlMEAttach(plni->plni_nih, plni->plni_portal, peer->plp_ptlid,
matchbits, 0, PTL_UNLINK, PTL_INS_BEFORE, &meh);
if (rc != PTL_OK) {