[PC]$ udevadm info -a -n /dev/ttyUSB0
... 省略 ...
  looking at device '/devices/pci0000:00/0000:00:14.0/usb2/2-7/2-7:1.0/ttyUSB0/tty/ttyUSB0':
    KERNEL=="ttyUSB0"
    SUBSYSTEM=="tty"
... 省略 ...
  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2/2-7':
    KERNELS=="2-7"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{authorized}=="1"
    ATTRS{avoid_reset_quirk}=="0"
    ATTRS{bConfigurationValue}=="1"
    ATTRS{bDeviceClass}=="00"
... 省略 ...
    ATTRS{idProduct}=="6001"
    ATTRS{idVendor}=="0403"
... 省略 ...
    ATTRS{product}=="FT232R USB UART"
    ATTRS{quirks}=="0x0"
    ATTRS{removable}=="removable"
    ATTRS{rx_lanes}=="1"
    ATTRS{serial}=="A702ZMEU"
    ATTRS{speed}=="12"
    ATTRS{tx_lanes}=="1"
    ATTRS{urbnum}=="16"
    ATTRS{version}==" 2.00"
... 省略 ...