Sep  6 17:35:15 pauloarruda-desktop bluetoothd[2097]: link_key_request (sba=11:11:11:11:11:11, dba=00:26:B0:CF:88:E5)
Sep  6 17:35:15 pauloarruda-desktop bluetoothd[2097]: Could not bring up bnep0
Sep  6 17:35:15 pauloarruda-desktop bluetoothd[2097]: bnep0 connected
Sep  6 17:35:15 pauloarruda-desktop NetworkManager[2303]:    SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:02.0/usb3/3-4/3-4:1.0/bluetooth/hci0/hci0:2/net/bnep0, iface: bnep0)
Sep  6 17:35:15 pauloarruda-desktop NetworkManager[2303]:    SCPluginIfupdown: locking wired connection setting
Sep  6 17:35:15 pauloarruda-desktop NetworkManager[2303]:    Ifupdown: get unmanaged devices count: 1
Sep  6 17:35:15 pauloarruda-desktop NetworkManager[2303]: <warn> /sys/devices/pci0000:00/0000:00:02.0/usb3/3-4/3-4:1.0/bluetooth/hci0/hci0:2/net/bnep0: couldn't determine device driver; ignoring...
Sep  6 17:35:15 pauloarruda-desktop dhclient: Internet Systems Consortium DHCP Client V3.1.3
Sep  6 17:35:15 pauloarruda-desktop dhclient: Copyright 2004-2009 Internet Systems Consortium.
Sep  6 17:35:15 pauloarruda-desktop dhclient: All rights reserved.
Sep  6 17:35:15 pauloarruda-desktop dhclient: For info, please visit https://www.isc.org/software/dhcp/
Sep  6 17:35:15 pauloarruda-desktop dhclient:
Sep  6 17:35:15 pauloarruda-desktop dhclient: Listening on LPF/bnep0/11:11:11:11:11:11
Sep  6 17:35:15 pauloarruda-desktop dhclient: Sending on   LPF/bnep0/11:11:11:11:11:11
Sep  6 17:35:15 pauloarruda-desktop dhclient: Sending on   Socket/fallback
Sep  6 17:35:15 pauloarruda-desktop dhclient: DHCPDISCOVER on bnep0 to 255.255.255.255 port 67 interval 3
Sep  6 17:35:15 pauloarruda-desktop dhclient: send_packet: Network is down
Sep  6 17:35:15 pauloarruda-desktop dhclient: receive_packet failed on bnep0: Network is down
Sep  6 17:35:18 pauloarruda-desktop dhclient: DHCPDISCOVER on bnep0 to 255.255.255.255 port 67 interval 5
Sep  6 17:35:18 pauloarruda-desktop dhclient: send_packet: Network is down