Both drivers, libinput and evdev do fail with your Logitech Trackman.
[ 29.728] (II) config/udev: Adding input device PS2++ Logitech TrackMan (/dev/input/event1)
[ 29.728] (**) PS2++ Logitech TrackMan: Applying InputClass "evdev pointer catchall"
[ 29.728] (**) PS2++ Logitech TrackMan: Applying InputClass "Marble Mouse"
[ 29.728] (**) PS2++ Logitech TrackMan: Applying InputClass "libinput pointer catchall"
[ 29.728] (II) Using input driver 'libinput' for 'PS2++ Logitech TrackMan'
[ 29.728] (**) PS2++ Logitech TrackMan: always reports core events
[ 29.728] (**) Option "Device" "/dev/input/by-path/platform-i8042-serio-1-event-mouse"
[ 29.728] (**) Option "_source" "server/udev"
[ 29.728] (EE) client bug: Invalid path /dev/input/by-path/platform-i8042-serio-1-event-mouse
[ 29.728] (EE) libinput: PS2++ Logitech TrackMan: Failed to create a device for /dev/input/by-path/platform-i8042-serio-1-event-mouse
[ 29.728] (EE) PreInit returned 2 for "PS2++ Logitech TrackMan"
[ 29.728] (II) UnloadModule: "libinput"
[ 29.728] (II) config/udev: Adding input device PS2++ Logitech TrackMan (/dev/input/mouse0)
[ 29.728] (**) PS2++ Logitech TrackMan: Applying InputClass "Marble Mouse"
[ 29.728] (II) LoadModule: "evdev"
[ 29.728] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
[ 29.739] (II) Module evdev: vendor="X.Org Foundation"
[ 29.739] compiled for 1.18.3, module version = 2.10.2
[ 29.739] Module class: X.Org XInput Driver
[ 29.739] ABI class: X.Org XInput driver, version 22.1
[ 29.739] (II) Using input driver 'evdev' for 'PS2++ Logitech TrackMan'
[ 29.740] (**) PS2++ Logitech TrackMan: always reports core events
[ 29.740] (**) evdev: PS2++ Logitech TrackMan: Device: "/dev/input/by-path/platform-i8042-serio-1-event-mouse"
[ 29.740] (EE) evdev: PS2++ Logitech TrackMan: Unable to open evdev device "/dev/input/by-path/platform-i8042-serio-1-event-mouse".
[ 29.740] (EE) PreInit returned 2 for "PS2++ Logitech TrackMan"
[ 29.740] (II) UnloadModule: "evdev"
Now it's time to google for
"Unable to create/open device "/dev/input/by-path/platform-i8042-serio-1-event-mouse" "