+ // Infrequently used callbacks
+ meshlink_node_status_cb_t node_status_cb;
+ meshlink_node_pmtu_cb_t node_pmtu_cb;
+ meshlink_channel_accept_cb_t channel_accept_cb;
+ meshlink_node_duplicate_cb_t node_duplicate_cb;
+ meshlink_connection_try_cb_t connection_try_cb;
+ meshlink_error_cb_t error_cb;