ax_close
if ((packetid = ax_close(ax->ax_ax, axs->axs_id, reason)) == 0) {
uint32_t ax_close(struct ax *, uint32_t, enum ax_close_reason);
ax_close(session->sess_conn->conn_ax, session->sess_id,
uint32_t ax_close(struct ax *, uint32_t, enum ax_close_reason);