出现这样的错误，在思科网站上没有查到？不知道是什么原因？
ASR-CESHI-A# sho log
Syslog logging: enabled (0 messages dropped, 15 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)
No Active Message Discriminator.
No Inactive Message Discriminator.
Console logging: level debugging, 16024 messages logged, xml disabled,
filtering disabled
Monitor logging: level debugging, 8 messages logged, xml disabled,
filtering disabled
Buffer logging: level warnings, 15286 messages logged, xml disabled,
filtering disabled
Exception Logging: size (4096 bytes)
Count and timestamp logging messages: disabled
Persistent logging: disabled
No active filter modules.
Trap logging: level debugging, 15667 message lines logged
Logging to 10.220.52.20 (udp port 514, audit disabled,
link up),
15430 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
Logging to 10.220.64.227 (udp port 514, audit disabled,
link up),
15263 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
Logging to 10.220.64.66 (udp port 514, audit disabled,
link up),
14876 message lines logged,
0 message lines rate-limited,
0 message lines dropped-by-MD,
xml disabled, sequence number disabled
filtering disabled
Logging Source-Interface: VRF Name:
Log Buffer (4096 bytes):
: MCPRP-RG RF Client(4053)
Oct 10 2016 01:03:31.312: %RF-3-NOTIF_TMO: Notification timer Expired for RF Client: MCPRP-RG RF Client(4053)
Oct 10 2016 01:54:21.336: %RF-3-NOTIF_TMO: Notification timer Expired for RF Client: MCPRP-RG RF Client(4053)
Oct 10 2016 01:54:21.337: %RF-3-NOTIF_TMO: Notification timer Expired for RF Client: MCPRP-RG RF Client(4053)
Oct 10 2016 02:45:11.361: %RF-3-NOTIF_TMO: Notification timer Expired for RF Client: MCPRP-RG RF Client(4053)
Oct 10 2016 02:45:11.362: %RF-3-NOTIF_TMO: Notification timer Expired for RF Client: MCPRP-RG RF Client(4053)
Oct 10 2016 03:36:01.385: %RF-3-NOTIF_TMO: Notification timer Expired for RF Client: MCPRP-RG RF Client(4053)
