ERROR: Cannot open config file /etc/pihole/pihole.toml in exclusive mode (r): Bad file descriptor

[myset]

ERROR: Cannot open config file /etc/pihole/pihole.toml in exclusive mode (r): Bad file descriptor

Details

OS: Ubuntu 24.04 x64
Docker: version 28.0.0, build f9ced58

• Previous version works fine with same NFS4 (2024-09).
• 2025-02 - new pihole version folder within a local folder work fine
• 2025-02 - a clean pihole instalation throw the same error
• Permissions and touch files are fine within container with user pihole

docker exec -it -u pihole pihole /bin/bash

2cd9e2469193:/$ ls -la /etc/pihole/
total 24183
drwxr-xr-x 8 pihole pihole       27 Feb 21 20:10 .
drwxr-xr-x 1 root   root       4096 Feb 21 20:10 ..
-rw-rw---- 1 pihole pihole       65 Jun 19  2023 adlists.list
-rw-r----- 1 pihole pihole       44 Feb 21 20:10 cli_pw
drwxr-xr-x 2 pihole pihole       13 Feb 21 20:10 config_backups
-rw-rw---- 1 pihole pihole        0 Jun 19  2023 dhcp.leases
-rw-rw---- 1 pihole pihole      651 Feb 21 00:22 dns-servers.conf
-rw-r--r-- 1 pihole pihole     5163 Feb 21 20:10 dnsmasq.conf
-rw-rw---- 1 pihole pihole  7725056 Feb 21 14:17 gravity.db
drwxr-xr-x 2 pihole pihole        5 Feb 21 14:13 gravity_backups
-rw-rw---- 1 pihole pihole  7725056 Feb 21 14:13 gravity_old.db
drwxr-xr-x 2 pihole pihole        3 Feb 21 19:37 hosts
drwxr-xr-x 2 pihole pihole        5 Feb 21 09:52 listsCache
-rw-rw---- 1 pihole pihole       65 Feb 21 00:22 local.list
-rw-r--r-- 1 root   root        421 Feb 21 20:10 logrotate
drwxr-xr-x 2 pihole pihole        3 Jun 19  2023 migration_backup
drwxr-xr-x 2 pihole pihole        7 Feb 21 00:22 migration_backup_v6
-rw-r----- 1 pihole pihole 32555008 Feb 21 20:08 pihole-FTL.db
-rw-r----- 1 pihole pihole    32768 Feb 21 20:23 pihole-FTL.db-shm
-rw-r----- 1 pihole pihole   296672 Feb 21 20:23 pihole-FTL.db-wal
-rw-r--r-- 1 pihole pihole    51999 Feb 21 20:13 pihole.toml
-rw-rw---- 1 pihole pihole    52123 Feb 21 20:10 pihole.toml.broken
-rw-rw---- 1 pihole pihole      307 Feb 21 00:22 setupVars.conf.update.bak
-rw-rw---- 1 pihole pihole      713 Feb 21 00:22 tls.crt
-rw-rw---- 1 pihole pihole     1001 Feb 21 00:22 tls.pem
-rw-rw---- 1 pihole pihole      733 Feb 21 00:22 tls_ca.crt
-rw-r--r-- 1 pihole pihole      380 Feb 21 20:10 versions
2cd9e2469193:/$ touch /etc/pihole/pihole.toml
2cd9e2469193:/$ lsof /etc/pihole/pihole.toml
61	/bin/bash	0	/dev/null
61	/bin/bash	1	pipe:[45970]
61	/bin/bash	2	pipe:[45971]
456	/bin/bash	0	/dev/pts/0
456	/bin/bash	1	/dev/pts/0
456	/bin/bash	2	/dev/pts/0
456	/bin/bash	255	/dev/pts/0

[PromoFaux]

Duplicate of #1715 ? (can reopen if not)

[myset]

Thank you

P.S.
Yesterday there wasn't any issue on this topic.