12508X-AF irf堆叠 slave节点重启

12508X-AF irf堆叠 2个40口作为堆叠口，其中一个堆叠接口shutdown，为什么slave节点整机重启了？

%Jul 8 00:25:11:778 2022 SHDC-PR4-DS12508-IRF DEV/2/BOARD_STATE_FAULT: Board state changed to Fault on chassis 3 slot 1, type is LSXM1SUPB1. 

%Jul 8 00:25:11:768 2022 SHDC-PR4-DS12508-IRF LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port FGE3/2/0/1 of aggregation group BAGG82 changed to the inactive state, because the physical state of the port is down. 

%Jul 8 00:25:11:747 2022 SHDC-PR4-DS12508-IRF DEV/2/BOARD_STATE_FAULT: Board state changed to Fault on chassis 3 slot 0, type is LSXM1SUPB1. 

%Jul 8 00:25:11:706 2022 SHDC-PR4-DS12508-IRF IFNET/5/LINK_UPDOWN: Line protocol state on the interface FortyGigE1/2/0/36 changed to down.

 %Jul 8 00:25:11:705 2022 SHDC-PR4-DS12508-IRF IFNET/3/PHY_UPDOWN: Physical state on the interface FortyGigE1/2/0/36 changed to down. 

%Jul 8 00:25:11:703 2022 SHDC-PR4-DS12508-IRF STM/3/STM_LINK_DOWN: IRF port 2 went down. 

%Jul 8 00:25:07:562 2022 SHDC-PR4-DS12508-IRF LLDP/6/LLDP_DELETE_NEIGHBOR: -Chassis=3-Slot=2; Nearest bridge agent neighbor deleted on port FortyGigE3/2/0/36 (IfIndex 12130), neighbor's chassis ID is 7485-c415-0c00, port ID is FortyGigE1/2/0/36. 

 %Jul 8 00:25:07:559 2022 SHDC-PR4-DS12508-IRF SHELL/6/SHELL_CMD: -Line=aux1/0-IPAddr=**-User=**; Command is shut

 %Jul 8 00:25:04:724 2022 SHDC-PR4-DS12508-IRF SHELL/6/SHELL_CMD: -Line=aux1/0-IPAddr=**-User=**; Command is interface FortyGigE 1/2/0/36