Someone

daxroc@Hades:~$ more /tmp/bluez.out 
HCI sniffer - Bluetooth packet analyzer ver 1.39
device: hci0 snap_len: 1028 filter: 0xffffffffffffffff
> ACL data: handle 49 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 0]
      0000: 71 ff 21 01 19 10 00 01  00 0a 01 81 00 f0 01 20  q.!............ 
      0010: 00 00 00 00 dd                                    .....
< ACL data: handle 49 flags 0x02 dlen 20
    L2CAP(d): cid 0x0040 len 16 [psm 0]
      0000: 73 ef 19 19 00 10 17 00  06 00 01 00 0a 02 00 1b  s...............
> HCI Event: Number of Completed Packets (0x13) plen 5
    handle 49 packets 1
> ACL data: handle 49 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 0]
      0000: 71 ff 21 01 19 10 00 17  00 0a 01 40 00 0b 01 01  q.!........@....
      0010: 16 04 07 07 dd                                    .....
> ACL data: handle 46 flags 0x02 dlen 14
    L2CAP(d): cid 0x0041 len 10 [psm 0]
      0000: a1 01 00 00 00 00 00 00  00 00                    ..........
< ACL data: handle 49 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 0]
      0000: 73 ef 15 19 00 10 01 00  04 00 01 00 20 1b        s........... .
> HCI Event: Number of Completed Packets (0x13) plen 5
    handle 49 packets 1
> ACL data: handle 49 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 0]
      0000: 71 ff 21 01 19 10 00 01  00 0a 01 81 00 f0 01 20  q.!............ 
      0010: 00 00 00 00 dd                                    .....
< ACL data: handle 49 flags 0x02 dlen 20
    L2CAP(d): cid 0x0040 len 16 [psm 0]
      0000: 73 ef 19 19 00 10 17 00  06 00 01 00 0a 02 00 1b  s...............
> HCI Event: Number of Completed Packets (0x13) plen 5
    handle 49 packets 1
> ACL data: handle 49 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 0]
      0000: 71 ff 21 01 19 10 00 17  00 0a 01 40 00 0b 01 01  q.!........@....
      0010: 16 04 07 07 dd                                    .....
< ACL data: handle 49 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 0]
      0000: 73 ef 15 19 00 10 01 00  04 00 01 00 20 1b        s........... .
> HCI Event: Number of Completed Packets (0x13) plen 5
    handle 49 packets 1
> ACL data: handle 49 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 0]
      0000: 71 ff 21 01 19 10 00 01  00 0a 01 81 00 f0 01 20  q.!............ 
      0010: 00 00 00 00 dd                                    .....
< ACL data: handle 49 flags 0x02 dlen 9
    L2CAP(d): cid 0x0040 len 5 [psm 0]
      0000: 73 ff 01 1e 07                                    s....
< ACL data: handle 49 flags 0x02 dlen 20
    L2CAP(d): cid 0x0040 len 16 [psm 0]
      0000: 73 ef 19 19 00 10 17 00  06 00 01 00 0a 02 00 1b  s...............
> HCI Event: Number of Completed Packets (0x13) plen 5
    handle 49 packets 1
> HCI Event: Number of Completed Packets (0x13) plen 5
    handle 49 packets 1
> ACL data: handle 49 flags 0x02 dlen 25
    L2CAP(d): cid 0x0040 len 21 [psm 0]
      0000: 71 ff 21 01 19 10 00 17  00 0a 01 40 00 0b 01 01  q.!........@....
      0010: 16 04 07 07 dd                                    .....