711 		LOG_ERR("Unknown connection");  in mcp_discover()
735 		LOG_ERR("Unknown connection");  in mcp_track_duration_read()
758 		LOG_ERR("Unknown connection");  in mcp_track_position_read()
782 		LOG_ERR("Unknown connection");  in mcp_track_position_set()
805 		LOG_ERR("Unknown connection");  in mcp_playback_speed_read()
828 		LOG_ERR("Unknown connection");  in mcp_playback_speed_set()
851 		LOG_ERR("Unknown connection");  in mcp_seeking_speed_read()
874 		LOG_ERR("Unknown connection");  in mcp_read_icon_obj_id()
897 		LOG_ERR("Unknown connection");  in mcp_read_next_track_obj_id()
921 		LOG_ERR("Unknown connection");  in mcp_set_next_track_obj_id()
944 		LOG_ERR("Unknown connection");  in mcp_parent_group_obj_id_read()
967 		LOG_ERR("Unknown connection");  in mcp_current_group_obj_id_read()
991 		LOG_ERR("Unknown connection");  in mcp_set_current_group_obj_id()
1014 		LOG_ERR("Unknown connection");  in mcp_playing_order_read()
1037 		LOG_ERR("Unknown connection");  in mcp_playing_order_set()
1060 		LOG_ERR("Unknown connection");  in mcp_playing_orders_supported_read()
1083 		LOG_ERR("Unknown connection");  in mcp_media_state_read()
1106 		LOG_ERR("Unknown connection");  in mcp_opcodes_supported_read()
1129 		LOG_ERR("Unknown connection");  in mcp_content_control_id_read()
1152 		LOG_ERR("Unknown connection");  in mcp_segments_obj_id_read()
1175 		LOG_ERR("Unknown connection");  in mcp_current_track_obj_id_read()
1199 		LOG_ERR("Unknown connection");  in mcp_current_track_obj_id_set()
1222 		LOG_ERR("Unknown connection");  in mcp_cmd_send()
1254 		LOG_ERR("Unknown connection");  in mcp_cmd_search()