MP_FAIL
#define MP_BAD (MP_FAIL | MP_LOST | MP_NEW)
if (!fail == !(cp->index & MP_FAIL))
g_multipath_fault(cp, MP_FAIL);
cp->index &= ~MP_FAIL;
(cp->index & MP_FAIL) ? "FAIL" :
lcp->index &= ~MP_FAIL;
if ((cp->index & MP_FAIL) == 0) {
g_multipath_fault(cp, MP_FAIL);