MFC r279910:   Reset mbuf pointer to NULL in fastroute case to indicate that mbuf was   consumed by filter. This fixes several panics due to accessing to mbuf   after free.
MFC r279910:
  Reset mbuf pointer to NULL in fastroute case to indicate that mbuf was
  consumed by filter. This fixes several panics due to accessing to mbuf
  after free.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase