$sudo dmesg | egrep -i 'blue|firm'
[sudo] password for kokopox:
[ 0.128975] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.173158] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 19.556185] platform regulatory.0: firmware: direct-loading firmware...