The string acpi genuineintel---intel64-family-6-model-58 is an unusual but decipherable artifact that points to an being handled by the ACPI subsystem in a Linux environment, possibly with a formatting quirk. It reminds us of the deep integration between CPU microarchitecture, ACPI firmware tables, and the OS kernel.
Ran the Intel System Support Utility (SSU) to generate a report. Checked for BIOS updates from the system vendor. Age: This architecture was released around Q2 2012 . acpi genuineintel---intel64-family-6-model-58