PVE7 unable to create OSD

create OSD on /dev/sdb (bluestore)
wiping block device /dev/sdb
200+0 records in
200+0 records out
209715200 bytes (210 MB, 200 MiB) copied, 0.543614 s, 386 MB/s
Running command: /bin/ceph-authtool --gen-print-key
Running command: /bin/ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring -i - osd new 39e13a26-d985-40b8-852b-291d8592de56
 stderr: 2021-11-10T14:49:55.396-0700 7fa8d2016700 -1 auth: unable to find a keyring...