EX2300-VC mib2d[4488]: SNMP_TRAP_LINK_DOWN: ifIndex 650, ifAdminStatus up(1), ifOperStatus down(2), ifName ge-1/0/29
Jan 6 08:13:25 EX2300-VC mib2d[4488]: SNMP_TRAP_LINK_UP: ifIndex 650, ifAdminStatus up(1), ifOperStatus up(1), ifName ge-1/0/29
Jan 6 08:13:35 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 300/100/3
Jan 6 08:13:35 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:6985) Foreign(0x80000011:56254)
Jan 6 08:13:36 EX2300-VC l2cpd[4503]: Root bridge in routing-instance 'default' changed from 4096:44:aa:50:0e:56:02 to 32768:f4:a7:39:ce:d4:89
Jan 6 08:13:36 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 100/100/5
Jan 6 08:13:36 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:6157) Foreign(0x80000011:62713)
Jan 6 08:13:36 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 100/100/6
Jan 6 08:13:36 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:15001) Foreign(0x80000006:63209)
Jan 6 08:13:43 EX2300-VC ppmd[4496]: PPMD: Connection Shutdown/Closed with PFE: fpc1
Jan 6 08:13:43 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 60/60/20
Jan 6 08:13:43 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:6011) Foreign(0x80000011:64858)
Jan 6 08:13:45 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 1000/100/5
Jan 6 08:13:45 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:33015) Foreign(0x80000011:56222)
Jan 6 08:13:51 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 100/100/20
Jan 6 08:13:51 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:6234) Foreign(0x80000011:63593)
Jan 6 08:13:51 EX2300-VC kernel: peer_input_pending_internal: 5649: peer class: 0, type: 27, index: 1, vksid: 0, state: 1 reported a so_error 60
Jan 6 08:13:51 EX2300-VC kernel: peer_input_pending_internal: 5649: peer class: 0, type: 27, index: 1, vksid: 0, state: 1 reported a so_error 60
Jan 6 08:13:51 EX2300-VC kernel: peer_inputs: 5911: VKS0 closing connection peer class: 0, type: 27, index: 1, vksid: 0, state: 1, err 5
Jan 6 08:13:51 EX2300-VC kernel: tcp_timer_keep: Dropping socket connection due to keepalive timer expiration, idle/intvl/cnt: 100/100/20
Jan 6 08:13:51 EX2300-VC kernel: tcp_timer_keep:Local(0x80000001:6234) Foreign(0x80000005:56944)
Jan 6 08:13:51 EX2300-VC kernel: peer_input_pending_internal: 5649: peer class: 1, type: 7, index: 1, vksid: 0, state: 1 reported a so_error 60
Jan 6 08:13:51 EX2300-VC kernel: peer_input_pending_internal: 5649: peer class: 1, type: 7, index: 1, vksid: 0, state: 1 reported a so_error 60
Jan 6 08:13:51 EX2300-VC kernel: peer_inputs: 5911: VKS0 closing connection peer class: 1, type: 7, index: 1, vksid: 0, state: 1, err 5
Jan 6 08:14:00 EX2300-VC chassisd[4439]: CHASSISD_IPC_CONNECTION_DROPPED: Dropped IPC connection for FPC 1
Jan 6 08:14:00 EX2300-VC chassisd[4439]: CHASSISD_IFDEV_DETACH_FPC: ifdev_detach_fpc(1)
Jan 6 08:14:00 EX2300-VC l2cpd[4503]: Root bridge in routing-instance 'default' changed from 32768:f4:a7:39:ce:d4:89 to 4096:44:aa:50:0e:56:02
Jan 6 08:14:00 EX2300-VC l2cpd[4503]: ROOT_PORT: for Instance 0 in routing-instance default Interface ae0.0
Please tell me why there is a denial of service in a virtual chassis EX2300 listed on the logs.
#EX2300virtualchassis#rootchange#TCPkeepalive