PF_REASS_NODF
pf->reassemble |= PF_REASS_NODF;
s->reass & PF_REASS_NODF ? "no-df" : ""
V_pf_status.reass = *reass & (PF_REASS_ENABLED|PF_REASS_NODF);
if (((!scrub_compat && V_pf_status.reass & PF_REASS_NODF) ||