The "zfs" graph driver is part of Docker itself (https://github.com/moby/moby/tree/89382f2f20745b9e63bed6c066f104980dff4396/daemon/graphdriver/zfs), so https://github.com/moby/moby/issues would be the appropriate place to file an issue (or enhancement request) against it.
The "zfs" graph driver is part of Docker itself (https:/ /github. com/moby/ moby/tree/ 89382f2f20745b9 e63bed6c066f104 980dff4396/ daemon/ graphdriver/ zfs), so https:/ /github. com/moby/ moby/issues would be the appropriate place to file an issue (or enhancement request) against it.