// https://www.snmpsharpnet.com/?p=153
oid := []uint32{
  uint32(oidBytes[0]) / 40,
  uint32(oidBytes[0]) % 40,
}
for i := 1; i < len(oidBytes); {
  bbyte := oidBytes[i]
  // Short form
  if bbyte & 0x80 == 0 {
    oid = append(oid, uint32(bbyte))
    i++
    continue
  }
  done := false
  tmp := uint32(0)
  for !done {
    tmp <<= 7
    bbyte = oidBytes[i]
    done = bbyte & 0x80 == 0
    bbyte &= 0x7F
    tmp += uint32(bbyte)
    i++
  }
  oid = append(oid, uint32(tmp))
}