DCEF_TOO_SMALL_PMTU
if (flags & DCEF_TOO_SMALL_PMTU)
{ "S", DCEF_TOO_SMALL_PMTU, DCEF_TOO_SMALL_PMTU },
dce->dce_flags |= DCEF_TOO_SMALL_PMTU;
dce->dce_flags &= ~DCEF_TOO_SMALL_PMTU;
dce->dce_flags &= ~(DCEF_PMTU|DCEF_TOO_SMALL_PMTU);
if (dce->dce_flags & DCEF_TOO_SMALL_PMTU) {
dce->dce_flags &= ~(DCEF_PMTU|DCEF_TOO_SMALL_PMTU);
dce->dce_flags &= ~(DCEF_PMTU|DCEF_TOO_SMALL_PMTU);