SEL Event Format:
Eg: Log DIMM B2 ECC event
cmdtool 20 c0 24 00 02 02 00 00 00 00 33 00 04 0c 02 6f a0 10 01 01
返回值：0 1d 0 //0x001d是第几条sel log
ipmitool raw 0x30 0x24 0x00 0x02 0x02 0x00 0x00 0x00 0x00 0x33 0x00 0x04 0x0c 0x02 0x6f 0xa0 0x10 0x01 0x01
Add SEL Entry
cmdtool 20 28 44 ff fe 00 ff ff ff ff 00 40 03 24 00 6f 02 80 00 00 00 00 00 00 00
返回值：0 1d 0 //0x001d是第几条sel log
ipmitool raw 0x0A 0x44 0xFF 0xFE 0x00 0xFF 0xFF 0xFF 0xFF 0x00 0x40 0x03 0x24 0x00 0x6F 0x02 0x80 0x00 0x00 0x00 0x00 0x00 0x00 0x00
