hci0: Type: Primary Bus: USB BD Address: XXX ACL MTU: 1022:8 SCO MTU: 121:3 DOWN RX bytes:1124 acl:0 sco:0 events:63 errors:0 TX bytes:3884 acl:0 sco:0 commands:63 errors:0 Features: 0xff 0xfe 0x0d 0xfe 0x98 0x7f 0x79 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF Link mode: SLAVE ACCEPT