Was about to make a issue about this as well, after updating to 6.12 none of the time servers ever sync as they complain they are unreachable
ntpq> peer
remote refid st t when poll reach delay offset jitter
==============================================================================
*LOCAL(0) .LOCL. 10 l 26 64 377 0.000 +0.000 0.002
10.0.0.1 (OPNse .INIT. 16 u - 64 0 0.000 +0.000 0.000
tock.sol.net .INIT. 16 u - 64 0 0.000 +0.000 0.000
108.61.23.93 (1 .INIT. 16 u - 64 0 0.000 +0.000 0.000
af-south-1.clea .INIT. 16 u - 64 0 0.000 +0.000 0.000
ntpq> as
ind assid status conf reach auth condition last_event cnt
===========================================================
1 64788 961a yes yes none sys.peer sys_peer 1
2 64789 8011 yes no none reject mobilize 1
3 64790 8011 yes no none reject mobilize 1
4 64791 8011 yes no none reject mobilize 1
5 64792 8011 yes no none reject mobilize 1
Debug info using the above time server manually
root@Zeus:/mnt/user/appdata/Authelia# ping tock.sol.net
PING tock.sol.net (206.55.65.229) 56(84) bytes of data.
64 bytes from tock.sol.net (206.55.65.229): icmp_seq=1 ttl=49 time=928 ms
64 bytes from tock.sol.net (206.55.65.229): icmp_seq=2 ttl=49 time=889 ms
64 bytes from tock.sol.net (206.55.65.229): icmp_seq=3 ttl=49 time=807 ms
^C
--- tock.sol.net ping statistics ---
4 packets transmitted, 3 received, 25% packet loss, time 2999ms
rtt min/avg/max/mdev = 806.710/874.363/927.824/50.452 ms
root@Zeus:/mnt/user/appdata/Authelia# killall ntpd
root@Zeus:/mnt/user/appdata/Authelia# ntpdate tock.sol.net
17 Jun 09:49:56 ntpdate[20969]: step time server 206.55.65.229 offset +6.650815 sec
ntpd started in debug
root@Zeus:/mnt/user/appdata/Authelia# ntpd -d
17 Jun 09:50:48 ntpd[26008]: ntpd
[email protected] Fri Jun 3 04:17:10 UTC 2022 (1): Starting
17 Jun 09:50:48 ntpd[26008]: Command line: ntpd -d
17 Jun 09:50:48 ntpd[26008]: ----------------------------------------------------
17 Jun 09:50:48 ntpd[26008]: ntp-4 is maintained by Network Time Foundation,
17 Jun 09:50:48 ntpd[26008]: Inc. (NTF), a non-profit 501(c)(3) public-benefit
17 Jun 09:50:48 ntpd[26008]: corporation. Support and training for ntp-4 are
17 Jun 09:50:48 ntpd[26008]: available at https://www.nwtime.org/support
17 Jun 09:50:48 ntpd[26008]: ----------------------------------------------------
17 Jun 09:50:48 ntpd[26008]: proto: precision = 2.304 usec (-19)
Finished Parsing!!
17 Jun 09:50:48 ntpd[26008]: basedate set to 2022-05-22
17 Jun 09:50:48 ntpd[26008]: gps base set to 2022-05-22 (week 2211)
hack_restrict: op RESTRICT_FLAGS addr 0.0.0.0 mask 0.0.0.0 ippeerlimit -1 mflags 00000000 rflags 00000bd0
hack_restrict: op RESTRICT_FLAGS addr :: mask :: ippeerlimit -1 mflags 00000000 rflags 00000bd0
hack_restrict: op RESTRICT_FLAGS addr :: mask :: ippeerlimit -1 mflags 00000000 rflags 00000bd0
hack_restrict: op RESTRICT_FLAGS addr 127.0.0.1 mask 255.255.255.255 ippeerlimit -1 mflags 00000000 rflags 00000000
hack_restrict: op RESTRICT_FLAGS addr ::1 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff ippeerlimit -1 mflags 00000000 rflags 00000000
move_fd: estimated max descriptors: 40960, initial socket boundary: 16
17 Jun 09:50:48 ntpd[26008]: Listen normally on 0 lo 127.0.0.1:123
hack_restrict: op RESTRICT_FLAGS addr 127.0.0.1 mask 255.255.255.255 ippeerlimit -4 mflags 00003000 rflags 00000001
17 Jun 09:50:48 ntpd[26008]: Listening on routing socket on fd #17 for interface updates
newpeer(127.127.1.0) - ippeerlimit -1 ignored
key_expire: at 0 associd 7312
peer_clear: at 0 next 1 associd 7312 refid INIT
event at 0 LOCAL(0) 8011 81 mobilize assoc 7312
newpeer: 127.0.0.1->127.127.1.0 mode 3 vers 4 poll 6 6 flags 0x9 0x1 ttl 0 key 00000000
newpeer(10.0.0.1) - ippeerlimit -1 ignored
key_expire: at 0 associd 7313
peer_clear: at 0 next 2 associd 7313 refid INIT
event at 0 10.0.0.1 8011 81 mobilize assoc 7313
newpeer: <null>->10.0.0.1 mode 3 vers 4 poll 6 10 flags 0x101 0x1 ttl 0 key 00000000
kernel loop status 0x2041 (Clock Unsynchronized)
17 Jun 09:50:48 ntpd[26008]: kernel reports TIME_ERROR: 0x2041: Clock Unsynchronized
event at 0 0.0.0.0 c01d 0d kern kernel time sync enabled
kernel loop status 0x2041 (Clock Unsynchronized)
17 Jun 09:50:48 ntpd[26008]: kernel reports TIME_ERROR: 0x2041: Clock Unsynchronized
event at 0 0.0.0.0 c012 02 freq_set kernel 5.815 PPM
event at 0 0.0.0.0 c016 06 restart
peer_name_resolved(pool.ntp.org) rescode 0
newpeer(162.159.200.123) - ippeerlimit -1 ignored
key_expire: at 0 associd 7314
peer_clear: at 0 next 2 associd 7314 refid INIT
event at 0 162.159.200.123 8011 81 mobilize assoc 7314
newpeer: <null>->162.159.200.123 mode 3 vers 4 poll 6 10 flags 0x101 0x1 ttl 0 key 00000000
peer_name_resolved(0.pool.ntp.org) rescode 0
newpeer(102.64.113.152) - ippeerlimit -1 ignored
key_expire: at 0 associd 7315
peer_clear: at 0 next 2 associd 7315 refid INIT
event at 0 102.64.113.152 8011 81 mobilize assoc 7315
newpeer: <null>->102.64.113.152 mode 3 vers 4 poll 6 10 flags 0x101 0x1 ttl 0 key 00000000
peer_name_resolved(1.pool.ntp.org) rescode 0
newpeer(196.10.54.58) - ippeerlimit -1 ignored
key_expire: at 0 associd 7316
peer_clear: at 0 next 1 associd 7316 refid INIT
event at 0 196.10.54.58 8011 81 mobilize assoc 7316
newpeer: <null>->196.10.54.58 mode 3 vers 4 poll 6 10 flags 0x101 0x1 ttl 0 key 00000000
refclock_transmit: at 1 127.127.1.0
refclock_receive: at 1 127.127.1.0
event at 1 LOCAL(0) 8014 84 reachable
refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000002
clock_filter: n 1 off 0.000000 del 0.000000 dsp 7.937501 jit 0.000002
auth_agekeys: at 1 keys 0 expired 0
restrictions: looking up 127.0.0.1
restrictions: looking up 127.0.0.1
restrictions: looking up 127.0.0.1
restrictions: looking up 127.0.0.1
restrictions: looking up 127.0.0.1
restrictions: looking up 127.0.0.1
refclock_transmit: at 65 127.127.1.0
refclock_receive: at 65 127.127.1.0
refclock_sample: n 1 offset 0.000000 disp 0.010000 jitter 0.000002
clock_filter: n 2 off 0.000000 del 0.000000 dsp 3.937741 jit 0.000002