msr5660路由器邻居一直有问题

%Apr 24 10:03:54:017 2024 QDCCB_ZZ_5660_R01 BFD/5/BFD_CHANGE_FSM: Sess[10.40.0.11/10.40.0.9, LD/RD:34817/4441, Interface:GE2/0/1, SessType:Ctrl, LinkType:INET], Ver:1, Sta: DOWN->UP, Diag: 0 (No Diagnostic) %Apr 24 10:31:36:316 2024 QDCCB_ZZ_5660_R01 BFD/5/BFD_CHANGE_FSM: Sess[10.40.0.11/10.40.0.9, LD/RD:34817/4441, Interface:GE2/0/1, SessType:Ctrl, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 1 (Control Detection Time Expired) %Apr 24 10:31:36:318 2024 QDCCB_ZZ_5660_R01 BGP/5/BGP_STATE_CHANGED: BGP.: 10.40.0.9 state has changed from ESTABLISHED to IDLE for session down event received from BFD. %Apr 24 10:31:40:370 2024 QDCCB_ZZ_5660_R01 BGP/5/BGP_STATE_CHANGED: BGP.: 10.40.0.9 state has changed from OPENCONFIRM to ESTABLISHED. %Apr 24 10:31:40:381 2024 QDCCB_ZZ_5660_R01 BFD/5/BFD_CHANGE_FSM: Sess[10.40.0.11/10.40.0.9, LD/RD:34817/4441, Interface:GE2/0/1, SessType:Ctrl, LinkType:INET], Ver:1, Sta: DOWN->UP, Diag: 0 (No Diagnostic) %Apr 24 11:13:22:779 2024 QDCCB_ZZ_5660_R01 BFD/5/BFD_CHANGE_FSM: Sess[10.40.0.11/10.40.0.9, LD/RD:34817/4441, Interface:GE2/0/1, SessType:Ctrl, LinkType:INET], Ver:1, Sta: UP->DOWN, Diag: 1 (Control Detection Time Expired) %Apr 24 11:13:22:780 2024 QDCCB_ZZ_5660_R01 BGP/5/BGP_STATE_CHANGED: BGP.: 10.40.0.9 state has changed from ESTABLISHED to IDLE for session down event received from BFD. %Apr 24 11:13:30:192 2024 QDCCB_ZZ_5660_R01 BGP/5/BGP_STATE_CHANGED: BGP.: 10.40.0.9 state has changed from OPENCONFIRM to ESTABLISHED.