admin@caracalla:~$ sudo stdbuf -i0 -o0 -e0 /snap/bluez/current/usr/bin/hcitool lescan --duplicates --passive | perl -nle 'print scalar(localtime), " ",$_'
Thu Feb  8 06:54:27 2018 LE Scan ...
Thu Feb  8 06:54:27 2018 18:2F:A5:29:1E:AF (unknown)
Thu Feb  8 06:54:27 2018 3F:DA:03:A4:97:EF (unknown)
Thu Feb  8 06:54:27 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:27 2018 1C:74:BB:F4:D3:F3 (unknown)
Thu Feb  8 06:54:27 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:27 2018 0E:4A:BF:B7:DB:D4 (unknown)
Thu Feb  8 06:54:27 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:28 2018 4A:3D:4E:A5:DB:AF (unknown)
Thu Feb  8 06:54:28 2018 3B:6C:12:A5:9C:4F (unknown)
Thu Feb  8 06:54:28 2018 1E:43:51:4B:EE:6C (unknown)
Thu Feb  8 06:54:28 2018 26:BD:D8:3D:6D:FA (unknown)
Thu Feb  8 06:54:28 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:28 2018 1C:74:BB:F4:D3:F3 (unknown)
Thu Feb  8 06:54:28 2018 25:D3:D8:DC:CE:95 (unknown)
Thu Feb  8 06:54:28 2018 21:F9:AD:41:09:D0 (unknown)
Thu Feb  8 06:54:28 2018 36:BA:1B:02:9F:B7 (unknown)
Thu Feb  8 06:54:28 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:28 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:28 2018 3E:30:B6:7D:6F:CA (unknown)
Thu Feb  8 06:54:28 2018 33:B7:38:F2:F9:1F (unknown)
Thu Feb  8 06:54:28 2018 28:FB:BC:2D:CE:EA (unknown)
Thu Feb  8 06:54:28 2018 21:F9:AD:41:09:D0 (unknown)
Thu Feb  8 06:54:28 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:28 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:28 2018 0E:4A:BF:B7:DB:D4 (unknown)
Thu Feb  8 06:54:28 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:28 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:28 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:28 2018 1C:74:BB:F4:D3:F3 (unknown)
Thu Feb  8 06:54:28 2018 34:91:5F:39:B2:4E (unknown)
Thu Feb  8 06:54:28 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:28 2018 21:93:B1:95:9E:82 (unknown)
Thu Feb  8 06:54:28 2018 0D:BC:8C:44:2B:6A (unknown)
Thu Feb  8 06:54:28 2018 3D:02:6C:8D:30:DE (unknown)
Thu Feb  8 06:54:28 2018 1D:DE:54:97:3D:8B (unknown)
Thu Feb  8 06:54:28 2018 18:2E:8E:D4:13:52 (unknown)
Thu Feb  8 06:54:28 2018 16:31:25:5F:59:77 (unknown)
Thu Feb  8 06:54:28 2018 07:72:14:D9:95:1F (unknown)
Thu Feb  8 06:54:28 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:28 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:28 2018 0D:BC:8C:44:2B:6A (unknown)
Thu Feb  8 06:54:28 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:28 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:28 2018 1D:83:A3:53:55:D2 (unknown)
Thu Feb  8 06:54:29 2018 19:91:6D:9D:D2:77 (unknown)
Thu Feb  8 06:54:29 2018 3F:DA:03:A4:97:EF (unknown)
Thu Feb  8 06:54:29 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:29 2018 02:94:84:F4:7D:39 (unknown)
Thu Feb  8 06:54:29 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:29 2018 33:EF:F3:01:E0:89 (unknown)
Thu Feb  8 06:54:29 2018 01:CA:FA:96:EB:61 (unknown)
Thu Feb  8 06:54:29 2018 19:91:6D:9D:D2:77 (unknown)
Thu Feb  8 06:54:29 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:29 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:29 2018 07:73:7B:F6:5B:86 (unknown)
Thu Feb  8 06:54:29 2018 32:32:73:4C:0E:C0 (unknown)
Thu Feb  8 06:54:29 2018 02:94:84:F4:7D:39 (unknown)
Thu Feb  8 06:54:29 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:29 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:29 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:29 2018 0D:BC:8C:44:2B:6A (unknown)
Thu Feb  8 06:54:29 2018 28:FB:BC:2D:CE:EA (unknown)
Thu Feb  8 06:54:29 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:29 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:29 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:29 2018 2E:B9:2E:3C:F3:9E (unknown)
Thu Feb  8 06:54:29 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:29 2018 1A:0D:76:B0:A8:8E (unknown)
Thu Feb  8 06:54:29 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:29 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:29 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:29 2018 3D:02:6C:8D:30:DE (unknown)
Thu Feb  8 06:54:30 2018 39:A0:FF:D6:FE:32 (unknown)
Thu Feb  8 06:54:30 2018 1D:DE:54:97:3D:8B (unknown)
Thu Feb  8 06:54:30 2018 16:31:25:5F:59:77 (unknown)
Thu Feb  8 06:54:30 2018 00:09:4F:FE:CA:A6 (unknown)
Thu Feb  8 06:54:30 2018 01:CA:FA:96:EB:61 (unknown)
Thu Feb  8 06:54:30 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:30 2018 19:4D:FD:14:15:71 (unknown)
Thu Feb  8 06:54:30 2018 19:B1:8C:D6:29:D6 (unknown)
Thu Feb  8 06:54:30 2018 19:91:6D:9D:D2:77 (unknown)
Thu Feb  8 06:54:30 2018 0E:4A:BF:B7:DB:D4 (unknown)
Thu Feb  8 06:54:30 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:30 2018 21:F9:AD:41:09:D0 (unknown)
Thu Feb  8 06:54:30 2018 02:94:84:F4:7D:39 (unknown)
Thu Feb  8 06:54:30 2018 12:52:17:2C:0F:25 (unknown)
Thu Feb  8 06:54:30 2018 07:73:7B:F6:5B:86 (unknown)
Thu Feb  8 06:54:30 2018 21:F9:AD:41:09:D0 (unknown)
Thu Feb  8 06:54:30 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:30 2018 19:B1:8C:D6:29:D6 (unknown)
Thu Feb  8 06:54:30 2018 25:D3:D8:DC:CE:95 (unknown)
Thu Feb  8 06:54:30 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:30 2018 1E:43:51:4B:EE:6C (unknown)
Thu Feb  8 06:54:30 2018 25:D3:D8:DC:CE:95 (unknown)
Thu Feb  8 06:54:30 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:31 2018 19:91:6D:9D:D2:77 (unknown)
Thu Feb  8 06:54:31 2018 0D:BC:8C:44:2B:6A (unknown)
Thu Feb  8 06:54:31 2018 03:7B:E3:41:B1:06 (unknown)
Thu Feb  8 06:54:31 2018 39:A0:FF:D6:FE:32 (unknown)
Thu Feb  8 06:54:31 2018 12:52:17:2C:0F:25 (unknown)
Thu Feb  8 06:54:31 2018 19:91:6D:9D:D2:77 (unknown)
Thu Feb  8 06:54:31 2018 39:A0:FF:D6:FE:32 (unknown)
Thu Feb  8 06:54:31 2018 12:52:17:2C:0F:25 (unknown)
Thu Feb  8 06:54:31 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:31 2018 19:91:6D:9D:D2:77 (unknown)
Thu Feb  8 06:54:31 2018 3F:DA:03:A4:97:EF (unknown)
Thu Feb  8 06:54:31 2018 13:96:DE:C4:1D:45 (unknown)
Thu Feb  8 06:54:31 2018 03:7B:E3:41:B1:06 (unknown)
Thu Feb  8 06:54:31 2018 19:4D:FD:14:15:71 (unknown)
Thu Feb  8 06:54:31 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:31 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:31 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:31 2018 3E:30:B6:7D:6F:CA (unknown)
Thu Feb  8 06:54:31 2018 13:D5:73:2D:9D:05 (unknown)
Thu Feb  8 06:54:31 2018 21:AD:46:43:C9:11 (unknown)
Thu Feb  8 06:54:31 2018 3D:02:6C:8D:30:DE (unknown)
Thu Feb  8 06:54:31 2018 13:96:DE:C4:1D:45 (unknown)
Thu Feb  8 06:54:31 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:31 2018 01:CA:FA:96:EB:61 (unknown)
Thu Feb  8 06:54:31 2018 19:4D:FD:14:15:71 (unknown)
Thu Feb  8 06:54:31 2018 04:68:4A:CD:39:56 (unknown)
Thu Feb  8 06:54:31 2018 39:A0:FF:D6:FE:32 (unknown)
Thu Feb  8 06:54:31 2018 1B:FB:1C:CE:C6:C2 (unknown)
Thu Feb  8 06:54:31 2018 16:31:25:5F:59:77 (unknown)
Thu Feb  8 06:54:31 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:31 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:31 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:31 2018 0E:4A:BF:B7:DB:D4 (unknown)
Thu Feb  8 06:54:31 2018 21:F9:AD:41:09:D0 (unknown)
Thu Feb  8 06:54:31 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:31 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:31 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:31 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:31 2018 12:52:17:2C:0F:25 (unknown)
Thu Feb  8 06:54:31 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:31 2018 1D:DE:54:97:3D:8B (unknown)
Thu Feb  8 06:54:31 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:31 2018 12:A9:52:28:A0:6F (unknown)
Thu Feb  8 06:54:31 2018 12:52:17:2C:0F:25 (unknown)
Thu Feb  8 06:54:31 2018 25:D3:D8:DC:CE:95 (unknown)
Thu Feb  8 06:54:31 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:31 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:32 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:32 2018 21:AD:46:43:C9:11 (unknown)
Thu Feb  8 06:54:32 2018 36:BC:BC:61:BC:38 (unknown)
Thu Feb  8 06:54:32 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:32 2018 2D:6F:6E:00:A7:E6 (unknown)
Thu Feb  8 06:54:32 2018 00:F6:39:71:B1:DC (unknown)
Thu Feb  8 06:54:32 2018 3A:B0:84:6C:3A:50 (unknown)
Thu Feb  8 06:54:32 2018 21:93:B1:95:9E:82 (unknown)
Thu Feb  8 06:54:32 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:32 2018 18:87:80:DB:5F:62 (unknown)
Thu Feb  8 06:54:32 2018 1D:DE:54:97:3D:8B (unknown)
Thu Feb  8 06:54:32 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:32 2018 18:2F:A5:29:1E:AF (unknown)
Thu Feb  8 06:54:32 2018 25:23:39:19:D9:4F (unknown)
Thu Feb  8 06:54:32 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:32 2018 3E:30:B6:7D:6F:CA (unknown)
Thu Feb  8 06:54:32 2018 25:D3:D8:DC:CE:95 (unknown)
Thu Feb  8 06:54:32 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:32 2018 01:A6:36:6B:47:18 (unknown)
Thu Feb  8 06:54:32 2018 18:2F:A5:29:1E:AF (unknown)
Thu Feb  8 06:54:32 2018 26:BD:D8:3D:6D:FA (unknown)
Thu Feb  8 06:54:32 2018 06:48:B3:D7:70:1E (unknown)
Thu Feb  8 06:54:32 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:32 2018 04:BF:E7:A5:33:11 (unknown)
Thu Feb  8 06:54:32 2018 29:F9:B4:25:C3:1C (unknown)
Thu Feb  8 06:54:32 2018 3D:02:6C:8D:30:DE (unknown)
Thu Feb  8 06:54:32 2018 18:2F:A5:29:1E:AF (unknown)
Thu Feb  8 06:54:32 2018 3D:02:6C:8D:30:DE (unknown)
Thu Feb  8 06:54:32 2018 1B:FB:1C:CE:C6:C2 (unknown)
Thu Feb  8 06:54:32 2018 13:D5:73:2D:9D:05 (unknown)
Thu Feb  8 06:54:32 2018 0D:BC:8C:44:2B:6A (unknown)
Thu Feb  8 06:54:32 2018 16:31:25:5F:59:77 (unknown)
Thu Feb  8 06:54:32 2018 3D:02:6C:8D:30:DE (unknown)
Thu Feb  8 06:54:32 2018 1D:3B:71:96:8A:1B (unknown)
Thu Feb  8 06:54:32 2018 38:34:FE:69:FA:27 (unknown)
Thu Feb  8 06:54:32 2018 25:23:39:19:D9:4F (unknown)
Thu Feb  8 06:54:32 2018 3F:00:76:DA:1E:0D (unknown)
Thu Feb  8 06:54:32 2018 21:F9:AD:41:09:D0 (unknown)
^C
admin@caracalla:~$