vdev_rmlinks ERROR when using devtmpfs

[suedi]

the ERROR

02041:00007FBC16D4D700: [          vdev.c:0395] vdev_error_thread_main: ERROR: /usr/lib/vdev/subr.sh: line 46: /dev/metadata//dev/bus/usb/001/003/links: No such file or directory

tree of /dev/bus/001

/dev/bus/usb/001/
|-- 001
|-- 002
`-- 004

tree of /dev/metadata/dev/bus/usb/001/

/dev/metadata/dev/bus/usb/001/
|-- 001
|   `-- vdev_instance
|-- 002
|   `-- vdev_instance
`-- 004
    `-- vdev_instance

I don't know if you assume the numbers 1, 2 ,3 in sequence and not 1, 2, 4??