That’s one I haven’t seen yet. Myself, I would try the removing and recreating the container again in case it’s a weird one time error. I suppose you could try creating the directory in the container manually. You would have to do it while the container is running (assuming it isn’t in a restart loop).
docker exec -it storagenode mkdir /var/log/supervisor
In my container, the /var/log/supervisor
folder is owned by root with rwx permissions for all
$ docker exec -it storagenode ls -la /var/log/
...
drwxrwxrwx 1 root root 4096 Apr 6 23:13 supervisor
...