One more thing,  /var/log/message has strange ^H charactors.
See following at 2nd line of the dump.
(The address count is also strange ? It should be 0000010 on
second line ? )

makoto@ci  3:13:52/980118(/tmp)> grep adb /var/log/messages 
Jan 16 20:57:42 ci /netbsd: adb: bus subsystem
Jan 16 20:57:42 ci /netbsdadb: standard keyboard at 2    <---- THIS LINE
Jan 16 20:57:42 ci /netbsd: adb: 100 dpi mouse at 3
Jan 16 20:57:42 ci /netbsd: adb0 at obio0 (ADB event device)

makoto@ci  3:15:04/980118(/tmp)> grep 'adb: st' /var/log/messages | od -x
0000000     4a61    6e20    3136    2032    303a    3537    3a34    3220
0000020     6369    202f    6e65    7462    7364    3a20    0808    6164
0000040     623a    2073    7461    6e64    6172    6420    6b65    7962
0000060     6f61    7264    2061    7420    320a                        
0000072
makoto@ci  3:15:10/980118(/tmp)> 

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(Makoto Fujiwara)
Chiba Japan
MacIIci + 20M + Portrait + Series-A Ethernet Card