ICE_FLAG_FLTR_SYNC
if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags)))
clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
set_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags);