/* This function allows an ofproto implementation to destroy any rules that
* remain when its ->destruct() function is called. The caller must have
* already uninitialized any derived members of 'rule' (step 5 described in the
/* This function allows an ofproto implementation to destroy any rules that
* remain when its ->destruct() function is called. The caller must have
* already uninitialized any derived members of 'rule' (step 5 described in the