The conbee II works well with PCI passthrough but not with USB passthrough on TrueNAS-SCALE-22.12.1 (appears offline in phoscon).
On both cases, the usb device is detected and CGFFlasher tells everything is OK.
GCFFlasher V3_17 (c) dresden elektronik ingenieurtechnik gmbh
Path | Vendor | Product | Serial | Type
-----------------±-------±--------±-----------±------
/dev/ttyACM0 | 0x1CF1 | 0x0030 | DE2437205 | ConBee II