Changed drop primitive implementation for simple_switch target
Changed drop primitive implementation for simple_switch target

hanw/behavioral-model,ops-p4/ops-p4dp,p4lang/behavioral-model,p4lang/behavioral-model,hanw/behavioral-model,ops-p4/ops-p4dp,p4lang/behavioral-model,hanw/behavioral-model,ops-p4/ops-p4dp,hanw/behavioral-model,ops-p4/ops-p4dp,hanw/behavioral-model,p4lang/behavioral-model,p4lang/behavioral-model