Protocol spec without prior Class and Subclass spec at line 4297 Bus 004 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 Bus 003 Device 001: ID 0000:0000 Bus 001 Device 001: ID 0000:0000 Bus 001 Device 003: ID 04b3:4008 IBM Corp. Bus 001 Device 002: ID 0424:2502 Standard Microsystems Corp.