RP/0/RP0/CPU0:R1#show logging start Sep 9 10:26:51
Wed Sep  9 10:27:26.358 UTC
Time Zone UTC, DST disabled
Syslog logging: enabled (0 messages dropped, 0 flushes, 0 overruns)
    Console logging: Disabled
    Monitor logging: level debugging, 0 messages logged
    Trap logging: level informational, 0 messages logged
    Buffer logging: level debugging, 81 messages logged

Log Buffer (2097152 bytes):

RP/0/RP0/CPU0:Sep  9 10:26:51.607 UTC: arp[322]: %IP-ARP-6-INFO_DUPMAC : 'Duplicate MAC address 5254.00b9.43df' 
RP/0/RP0/CPU0:Sep  9 10:26:51.943 UTC: logger[68244]: %OS-SYSLOG-6-LOG_INFO : informational STEP0-BEGIN 
RP/0/RP0/CPU0:Sep  9 10:26:52.210 UTC: ssh_syslog_proxy[1188]: %SECURITY-SSHD_SYSLOG_PRX-6-INFO_GENERAL : sshd[6754]: Received disconnect from 10.100.3.1 port 52808:11: disconnected by user 
RP/0/RP0/CPU0:Sep  9 10:26:52.210 UTC: ssh_syslog_proxy[1188]: %SECURITY-SSHD_SYSLOG_PRX-6-INFO_GENERAL : sshd[6754]: Disconnected from user cisco 10.100.3.1 port 52808 
RP/0/RP0/CPU0:Sep  9 10:26:55.938 UTC: arp[322]: %IP-ARP-6-INFO_DUPADDR : 'Duplicate IP address 10.100.22.31 on MgmtEth0/RP0/CPU0/0, sourced by 5254.00b9.43df' 
RP/0/RP0/CPU0:Sep  9 10:27:13.311 UTC: ssh_syslog_proxy[1188]: %SECURITY-SSHD_SYSLOG_PRX-6-INFO_GENERAL : sshd[6816]: Accepted authentication/pam for cisco from 10.100.3.1 port 52824 ssh2 
RP/0/RP0/CPU0:Sep  9 10:27:23.905 UTC: ssh_syslog_proxy[1188]: %SECURITY-SSHD_SYSLOG_PRX-6-INFO_GENERAL : sshd[6821]: Received disconnect from 10.100.3.1 port 52824:11: disconnected by user 
RP/0/RP0/CPU0:Sep  9 10:27:23.905 UTC: ssh_syslog_proxy[1188]: %SECURITY-SSHD_SYSLOG_PRX-6-INFO_GENERAL : sshd[6821]: Disconnected from user cisco 10.100.3.1 port 52824 
RP/0/RP0/CPU0:Sep  9 10:27:24.603 UTC: ssh_syslog_proxy[1188]: %SECURITY-SSHD_SYSLOG_PRX-6-INFO_GENERAL : sshd[6984]: Accepted authentication/pam for cisco from 10.100.3.1 port 52827 ssh2