Feb 14 00:56:53 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 00:56:53 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 00:57:08 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 03:57:08 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 03:57:08 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 03:57:19 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 06:57:19 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 06:57:19 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 06:59:36 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 09:59:36 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 09:59:36 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 09:59:51 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 12:59:51 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 12:59:51 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 13:00:01 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 16:00:04 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 16:00:04 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 16:04:12 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 18:18:53 archive bgpd[9361]: %NOTIFICATION: received from neighbor 2001:7f0::21:7071:1020:100 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 18:18:53 archive bgpd[9361]: %ADJCHANGE: neighbor 2001:7f0::21:7071:1020:100 Down BGP Notification received
Feb 14 18:19:05 archive bgpd[9361]: %ADJCHANGE: neighbor 2001:7f0::21:7071:1020:100 Up
Feb 14 19:04:12 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 19:04:12 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 19:08:28 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up
Feb 14 22:08:28 route-views4 bgpd[5905]: %NOTIFICATION: sent to neighbor 2001:15a8:a:a::2 4/0 (Hold Timer Expired) 0 bytes 
Feb 14 22:08:28 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Down BGP Notification send
Feb 14 22:08:41 route-views4 bgpd[5905]: %ADJCHANGE: neighbor 2001:15a8:a:a::2 Up