ModemManager[4903]: <debug> [1524646718.362239] (tty/ttyUSB0): adding device at sysfs path: /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1/2-1:1.0/ttyUSB0/tty/ttyUSB0
ModemManager[4903]: <debug> [1524646718.362704] (tty/ttyUSB0): first port in device /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1
ModemManager[4903]: <debug> [1524646718.362742] [plugin manager] task 2: new support task for device: /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1
ModemManager[4903]: <debug> [1524646718.362797] [plugin manager] task 2: port grabbed: ttyUSB0
ModemManager[4903]: <debug> [1524646718.362816] [plugin manager] task 2,ttyUSB0: new support task for port
ModemManager[4903]: <debug> [1524646718.362829] [plugin manager) task 2,ttyUSB0: deferred until min wait time elapsed
ModemManager[4903]: <debug> [1524646718.363233] (tty/ttyUSB2): adding device at sysfs path: /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1/2-1:1.2/ttyUSB2/tty/ttyUSB2
ModemManager[4903]: <debug> [1524646718.363690] (tty/ttyUSB2): additional port in device /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1
ModemManager[4903]: <debug> [1524646718.363734] [plugin manager] task 2: port grabbed: ttyUSB2
ModemManager[4903]: <debug> [1524646718.363753] [plugin manager] task 2,ttyUSB2: new support task for port
ModemManager[4903]: <debug> [1524646718.363766] [plugin manager) task 2,ttyUSB2: deferred until min wait time elapsed
ModemManager[4903]: <debug> [1524646718.363896] (tty/ttyUSB1): adding device at sysfs path: /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1/2-1:1.1/ttyUSB1/tty/ttyUSB1
ModemManager[4903]: <debug> [1524646718.364353] (tty/ttyUSB1): additional port in device /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1
ModemManager[4903]: <debug> [1524646718.364401] [plugin manager] task 2: port grabbed: ttyUSB1
ModemManager[4903]: <debug> [1524646718.364419] [plugin manager] task 2,ttyUSB1: new support task for port
ModemManager[4903]: <debug> [1524646718.364432] [plugin manager) task 2,ttyUSB1: deferred until min wait time elapsed
ModemManager[4903]: <debug> [1524646719.864605] [plugin manager] task 2: min wait time elapsed
ModemManager[4903]: <debug> [1524646719.864667] [filter] (tty/ttyUSB1) port filtered: forbidden
ModemManager[4903]: <debug> [1524646719.864685] [filter] (tty/ttyUSB2) port filtered: forbidden
ModemManager[4903]: <debug> [1524646719.864700] [filter] (tty/ttyUSB0) port filtered: forbidden
ModemManager[4903]: <debug> [1524646720.864801] [plugin manager] task 2: min probing time elapsed
ModemManager[4903]: <debug> [1524646720.864903] [plugin manager] task 2: no more ports to probe
ModemManager[4903]: <debug> [1524646720.864942] [plugin manager] task 2: finished in '2.502200' seconds
ModemManager[4903]: <info>  [1524646720.865018] Couldn't check support for device '/sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-1': not supported by any plugin