*** Booting Zephyr OS build v2.3.0-rc1-ncs1  ***
Starting Bluetooth Peripheral HIDS keyboard example
I: 8 Sectors of 4096 bytes
I: alloc wra: 0, ff0
I: data wra: 0, 0
I: HW Platform: Nordic Semiconductor (0x0002)
I: HW Variant: nRF52x (0x0002)
I: Firmware: Standard Bluetooth controller (0x00) Version 2.3 Build 0
I: No ID address. App must call settings_load()
Bluetooth initialized
I: Identity: d6:c4:f9:a2:02:ad (random)
I: HCI: version 5.2 (0x0b) revision 0x0000, manufacturer 0x05f1
I: LMP: version 5.2 (0x0b) subver 0xffff
NFC configuration start
NFC configuration done
Advertising successfully started
Advertising continued
Connected 48:ef:30:6f:b3:db (random)
Pairing confirmed: 48:ef:30:6f:b3:db (random)
Security changed: 48:ef:30:6f:b3:db (random) level 2
Pairing completed: 20:47:da:12:f4:e8 (public), bonded: 1
Disconnected from 20:47:da:12:f4:e8 (public) (reason 19)
Advertising successfully started
Advertising continued
Connected 20:47:da:12:f4:e8 (public)
Security failed: 20:47:da:12:f4:e8 (public) level 1 err 4
Pairing failed conn: 20:47:da:12:f4:e8 (public), reason 4
Disconnected from 20:47:da:12:f4:e8 (public) (reason 19)