交换机S10506X日志跪求解读

ouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:43:17:472 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 2 changed from Positive to Negative.
%May 24 16:43:21:520 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:43:22:520 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:43:22:521 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 2 changed from Negative to Positive.
%May 24 16:43:27:982 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:43:27:984 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 2 changed from Positive to Negative.
%May 24 16:43:38:021 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:43:43:018 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:43:43:019 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 2 changed from Negative to Positive.
%May 24 16:43:48:070 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:43:48:072 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Positive to Negative.
%May 24 16:43:48:505 2021 RMRB-YouXian-CSW-001-S10506X LLDP/5/LLDP_NEIGHBOR_AGE_OUT: -Chassis=2-Slot=2; Nearest bridge agent neighbor aged out on port Ten-GigabitEthernet2/2/0/1 (IfIndex 2426), neighbor's chassis ID is 18de-d775-54e0, port ID is XGigabitEthernet1/0/10.
%May 24 16:43:50:359 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:43:50:361 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 2 changed from Positive to Negative.
%May 24 16:43:57:120 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:43:57:124 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:43:57:124 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Negative to Positive.
%May 24 16:44:07:118 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:44:07:120 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Positive to Negative.
%May 24 16:44:07:122 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:44:09:219 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:44:09:219 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Negative to Positive.
%May 24 16:44:13:359 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:44:13:361 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Positive to Negative.
%May 24 16:44:13:365 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:44:13:374 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:44:13:374 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Negative to Positive.
%May 24 16:44:17:194 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:44:17:196 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Positive to Negative.
%May 24 16:44:22:228 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:44:27:220 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:44:27:220 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Negative to Positive.
%May 24 16:44:31:254 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 2 (Echo Function Failed)
%May 24 16:44:31:256 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 1 changed from Positive to Negative.
%May 24 16:44:38:334 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:44:43:415 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->DOWN, Diag: 1 (Control Detection Time Expired)
%May 24 16:44:53:428 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[192.168.100.1/192.168.100.254, LD/RD:4098/4098, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:44:57:419 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: DOWN->INIT, Diag: 0 (No Diagnostic)
%May 24 16:44:57:424 2021 RMRB-YouXian-CSW-001-S10506X BFD/5/BFD_CHANGE_FSM: Sess[10.200.200.10/10.200.200.9, LD/RD:4099/4099, Interface:Vlan2004, SessType:Echo, LinkType:INET], Ver:1, Sta: INIT->UP, Diag: 0 (No Diagnostic)
%May 24 16:44:57:425 2021 RMRB-YouXian-CSW-001-S10506X TRACK/6/INFO: The state of track entry 2 changed from Negative to Positive.