Cisco Log输出，请教什么意思？

msuser

00:00:26: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
00:00:26: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
00:00:27: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, chang
ed state to up
00:00:27: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, chang
ed state to up
00:00:27: %SYS-5-CONFIG_I: Configured from memory by console
00:00:29: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3640-IS-M), Version 12.1(5)T9,  RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Sat 23-Jun-01 20:40 by cmong
00:50:12: %ALIGN-3-CORRECT: Alignment correction made at 0x60997908 reading 0x5C
B9799
00:50:12: %ALIGN-3-TRACE: -Traceback= 60997908 6099882C 609846E4 60984CF0 604CD0
48 604CBF98 604CC1AC 604CC338
00:50:12: %ALIGN-3-CORRECT: Alignment correction made at 0x60997910 reading 0x5C
B97A1
00:50:12: %ALIGN-3-TRACE: -Traceback= 60997910 6099882C 609846E4 60984CF0 604CD0
48 604CBF98 604CC1AC 604CC338
10:11:20: %ALIGN-3-CORRECT: Alignment correction made at 0x60997908 reading 0x5C
C7255
10:11:20: %ALIGN-3-TRACE: -Traceback= 60997908 6099882C 60984134 60984628 604CBE
D8 604CC1AC 604CC338 6040F58C
10:11:20: %ALIGN-3-CORRECT: Alignment correction made at 0x60997910 reading 0x5C
C725D
10:11:20: %ALIGN-3-TRACE: -Traceback= 60997910 6099882C 60984134 60984628 604CBE
D8 604CC1AC 604CC338 6040F58C