设备stp接口状态变为discarding，

接口stp状态突然变为discarding有的立刻恢复为forwarding，有的过了30秒恢复，stp的history信息里只记录了一个聚合110

%Feb 8 04:00:07:339 2023 ISW-VM-G1-1.AM29 SSHS/6/SSHS_DISCONNECT: SSH user alinetconf (IP: 10.12.1.66) disconnected from the server.

%Feb 8 15:15:45:583 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation100 has been set to discarding state.

%Feb 8 15:15:45:585 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation102 has been set to discarding state.

%Feb 8 15:15:45:593 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation103 has been set to discarding state.

%Feb 8 15:15:45:600 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation104 has been set to discarding state.

%Feb 8 15:15:45:612 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation106 has been set to discarding state.

%Feb 8 15:15:45:620 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation107 has been set to discarding state.

%Feb 8 15:15:45:628 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation108 has been set to discarding state.

%Feb 8 15:15:45:634 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation109 has been set to discarding state.

%Feb 8 15:15:45:641 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation110 has been set to discarding state.

%Feb 8 15:15:45:652 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: Instance 0's port Bridge-Aggregation111 has been set to discarding state.

%Feb 8 15:15:45:665 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: Instance 0's port Bridge-Aggregation100 has been set to forwarding state.

%Feb 8 15:15:44:837 2023 ISW-VM-G1-1.AM29 STP/6/STP_DISCARDING: -Slot=2; Instance 0's port Ten-GigabitEthernet2/0/20 has been set to discarding state.

%Feb 8 15:15:45:681 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: Instance 0's port Bridge-Aggregation106 has been set to forwarding state.

%Feb 8 15:15:45:695 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: Instance 0's port Bridge-Aggregation111 has been set to forwarding state.

%Feb 8 15:15:45:758 2023 ISW-VM-G1-1.AM29 STP/6/STP_NOTIFIED_TC: Instance 0's port Bridge-Aggregation101 was notified a topology change.

%Feb 8 15:15:48:564 2023 ISW-VM-G1-1.AM29 STP/6/STP_NOTIFIED_TC: Instance 0's port Bridge-Aggregation101 was notified a topology change.

%Feb 8 15:16:15:406 2023 ISW-VM-G1-1.AM29 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/14 changed to down.

%Feb 8 15:16:15:407 2023 ISW-VM-G1-1.AM29 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet1/0/14 changed to down.

%Feb 8 15:16:15:471 2023 ISW-VM-G1-1.AM29 LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port XGE1/0/14 of aggregation group BAGG110 changed to the inactive state, because the physical state of the port is down.

%Feb 8 15:16:14:865 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: -Slot=2; Instance 0's port Ten-GigabitEthernet2/0/20 has been set to forwarding state.

 %Feb 8 15:16:15:980 2023 ISW-VM-G1-1.AM29 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet2/0/14 changed to down.

%Feb 8 15:16:16:030 2023 ISW-VM-G1-1.AM29 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet2/0/14 changed to down.

%Feb 8 15:16:16:031 2023 ISW-VM-G1-1.AM29 LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port XGE2/0/14 of aggregation group BAGG110 changed to the inactive state, because the physical state of the port is down.

%Feb 8 15:16:16:058 2023 ISW-VM-G1-1.AM29 IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/14 changed to up.

%Feb 8 15:16:16:106 2023 ISW-VM-G1-1.AM29 IFNET/3/PHY_UPDOWN: Physical state on the interface Bridge-Aggregation110 changed to down.

%Feb 8 15:16:16:111 2023 ISW-VM-G1-1.AM29 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Bridge-Aggregation110 changed to down.

%Feb 8 15:16:16:434 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: Instance 0's port Bridge-Aggregation102 has been set to forwarding state. 

%Feb 8 15:16:16:701 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: Instance 0's port Bridge-Aggregation103 has been set to forwarding state.

%Feb 8 15:16:16:709 2023 ISW-VM-G1-1.AM29 STP/6/STP_FORWARDING: Instance 0's port Bridge-Aggregation104 has been set to forwarding state.

接口stp状态突然变为discarding有的立刻恢复为forwarding，有的过了30秒恢复，stp的history信息里只记录了一个聚合110