void connmgr_send_flow_removed(struct connmgr *,
const struct ofputil_flow_removed *);
void connmgr_send_packet_in(struct connmgr *, const struct ofputil_packet_in *,
void connmgr_send_flow_removed(struct connmgr *,
const struct ofputil_flow_removed *);
void connmgr_send_packet_in(struct connmgr *, const struct ofputil_packet_in *,