Why do I see smbd[XXXX]:make_connection_snum: canonicalize_connect_path failed for service?

Issue

• Why do I see smbd[XXXX]:make_connection_snum: canonicalize_connect_path failed for service?

Sample log:

[root@host1 /]# rpm -q samba
samba-4.16.4-101.el9.x86_64
[root@host1 /]# tail -4 /etc/samba/smb.conf
[share1]
    path = /samba-data/share1
    browseable = yes
    public = yes
root@host1 /]# date; mount -t cifs -o guest //localhost/share1 /mnt
Tue Apr  4 03:09:14 PM JST 2023
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)
[root@host1 /]# tail -2 /var/log/samba/log.smbd
[2023/04/04 15:09:14.937952,  0] ../../source3/smbd/service.c:787(make_connection_snum)
  make_connection_snum: canonicalize_connect_path failed for service share1, path /samba-data/share1
[root@host1 /]# grep smbd /var/log/messages | tail -2
Apr  4 15:09:14 host1 smbd[1836]: [2023/04/04 15:09:14.937952,  0] ../../source3/smbd/service.c:787(make_connection_snum)
Apr  4 15:09:14 host1 smbd[1836]:  make_connection_snum: canonicalize_connect_path failed for service share1, path /samba-data/share1
[root@host1 /]#