5560X 1x认证失败

5560X 1x认证失败debug提示error：PAE aborted because of BE process failur什么意思？详细debug信息：

*May 6 12:26:58:717 2023 sava-sw DOT1X/7/EVENT: Processing interface down event. %May 6 12:26:58:725 2023 sava-sw IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/3 changed to down. %May 6 12:26:58:726 2023 sava-sw IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/3 changed to down. *May 6 12:27:01:938 2023 sava-sw DOT1X/7/EVENT: EAP-Request/Identity packet multicasting timed out on GigabitEthernet1/0/3. *May 6 12:27:03:389 2023 sava-sw DOT1X/7/EVENT: Processing interface event. *May 6 12:27:03:389 2023 sava-sw DOT1X/7/EVENT: Processing interface up event. *May 6 12:27:03:390 2023 sava-sw DOT1X/7/EVENT: Processing interface event. %May 6 12:27:03:395 2023 sava-sw IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/3 changed to up. %May 6 12:27:03:398 2023 sava-sw IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/3 changed to up. *May 6 12:27:03:409 2023 sava-sw DOT1X/7/PACKET: Received a packet on interface GigabitEthernet1/0/3. Destination MAC address=0180-c200-0003 Source MAC address=54ee-75da-4330 MAC frame type=888e Protocol version ID=1 Packet type=1(EAPOL-Start) Packet length=0 *May 6 12:27:03:410 2023 sava-sw DOT1X/7/EVENT: PAE is in Disconnect state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:410 2023 sava-sw DOT1X/7/EVENT: BE is in Initialize state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:410 2023 sava-sw DOT1X/7/EVENT: PAE is in Restart state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:411 2023 sava-sw DOT1X/7/EVENT: BE is in Idle state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:411 2023 sava-sw DOT1X/7/EVENT: PAE is in Connecting state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:417 2023 sava-sw DOT1X/7/EVENT: PAE is in Authenticating state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:419 2023 sava-sw DOT1X/7/EVENT: BE is in Request state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:03:421 2023 sava-sw DOT1X/7/EVENT: Sending EAP packet: Identifier=1, type=1. *May 6 12:27:03:432 2023 sava-sw DOT1X/7/PACKET: Transmitted a packet on interface GigabitEthernet1/0/3. Destination MAC address=54ee-75da-4330 Source MAC address=7450-4e59-dd6c VLAN ID=2 MAC frame type=888e Protocol version ID=1 Packet type=0(EAP-Packet) Packet length=5 -----Packet body----- Code=1(Request) Identifier=1 Length=5 Code type=1(Identity) *May 6 12:27:15:388 2023 sava-sw DOT1X/7/PACKET: Received a packet on interface GigabitEthernet1/0/3. Destination MAC address=0180-c200-0003 Source MAC address=54ee-75da-4330 MAC frame type=888e Protocol version ID=1 Packet type=0(EAP-Packet) Packet length=15 -----Packet body----- Code=2(Response) Identifier=1 Length=15 Code type=1(Identity) *May 6 12:27:15:389 2023 sava-sw DOT1X/7/EVENT: BE is in Response state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:389 2023 sava-sw DOT1X/7/EVENT: Successfully created server timeout timer: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:389 2023 sava-sw DOT1X/7/EVENT: BE is in Request state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:390 2023 sava-sw DOT1X/7/EVENT: Sending EAP packet: Identifier=2, type=4. *May 6 12:27:15:391 2023 sava-sw DOT1X/7/PACKET: Transmitted a packet on interface GigabitEthernet1/0/3. Destination MAC address=54ee-75da-4330 Source MAC address=7450-4e59-dd6c VLAN ID=2 MAC frame type=888e Protocol version ID=1 Packet type=0(EAP-Packet) Packet length=22 -----Packet body----- Code=1(Request) Identifier=2 Length=22 Code type=4(Challenge) *May 6 12:27:15:393 2023 sava-sw DOT1X/7/PACKET: Received a packet on interface GigabitEthernet1/0/3. Destination MAC address=0180-c200-0003 Source MAC address=54ee-75da-4330 MAC frame type=888e Protocol version ID=1 Packet type=0(EAP-Packet) Packet length=6 -----Packet body----- Code=2(Response) Identifier=2 Length=6 Code type=3(Nak) *May 6 12:27:15:394 2023 sava-sw DOT1X/7/EVENT: BE is in Response state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:394 2023 sava-sw DOT1X/7/EVENT: Successfully created server timeout timer: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:395 2023 sava-sw DOT1X/7/ERROR: PAE aborted because of BE process failure. *May 6 12:27:15:395 2023 sava-sw DOT1X/7/EVENT: PAE is in Aborting state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:395 2023 sava-sw DOT1X/7/EVENT: BE is in Initialize state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:395 2023 sava-sw DOT1X/7/EVENT: PAE is in Disconnect state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:396 2023 sava-sw DOT1X/7/EVENT: BE is in Idle state: UserMAC=54ee-75da-4330, VLANID=2, Interface=GigabitEthernet1/0/3. *May 6 12:27:15:396 2023 sava-sw DOT1X/7/EVENT: Interface GigabitEthernet1/0/3 received Set the port authorization status to unauthorized event. *May 6 12:27:31:938 2023 sava-sw DOT1X/7/EVENT: EAP-Request/Identity packet multicasting timed out on GigabitEthernet1/0/3. *May 6 12:27:31:938 2023 sava-sw DOT1X/7/EVENT: Multicasted EAP-Request/Identity packets on interface GigabitEthernet1/0/3. *May 6 12:28:01:938 2023 sava-sw DOT1X/7/EVENT: EAP-Request/Identity packet multicasting timed out on GigabitEthernet1/0/3. *May 6 12:28:01:938 2023 sava-sw DOT1X/7/EVENT: Multicasted EAP-Request/Identity packets on interface GigabitEthernet1/0/3.

5560X 1x认证失败debug提示PAE aborted because of BE process failur什么意思