I actually passed through the USB port.
ttyUSB0
okay, apparently I still have to look there, unfortunately I just donāt know where.
Proxmox I looped through the 2 usbās to the LXC container OpenHAB.
my z-wave usb is in there without any problems.
root@OpenHAB:/dev# ls -l /dev/ttyACM0
crw-rw-rw- 1 nobody nogroup 166, 0 Nov 30 23:31 /dev/ttyACM0
root@OpenHAB:/dev# ls -l /dev/ttyUSB0
crw-rw-rw- 1 nobody nogroup 188, 0 Nov 30 17:55 /dev/ttyUSB0
root@OpenHAB:/dev# ls
console fd initctl mqueue null pts serial stderr stdout tty1 ttyACM0 urandom
core full log net ptmx random shm stdin tty tty2 ttyUSB0 zero
root@OpenHAB:/dev# lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0658:0200 Sigma Designs, Inc. Aeotec Z-Stick Gen5 (ZW090) - UZB
Bus 001 Device 002: ID 10c4:8b34 Silicon Labs BV 2010/10
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub