Package: systemd Version: 257.7-1 Severity: important Tags: ipv6 X-Debbugs-Cc: [email protected]
-- Package-specific info: -- System Information: Debian Release: 13.0 APT prefers stable-updatesAPT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64) Kernel: Linux 6.12.41+deb13-amd64 (SMP w/2 CPU threads; PREEMPT)Locale: LANG=pt_BR.UTF-8, LC_CTYPE=pt_BR.UTF-8 (charmap=UTF-8), LANGUAGE=pt_BR.UTF-8:pt:en
Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) Versions of packages systemd depends on: ii libacl1 2.3.2-2+b1 ii libapparmor1 4.1.0-1 ii libc6 2.41-12 ii libmount1 2.41-5 ii libpam0g 1.7.0-5 ii libseccomp2 2.6.0-2 ii libselinux1 3.8.1-1 ii libssl3t64 3.5.1-1 ii libsystemd-shared 257.7-1 ii libsystemd0 257.7-1 ii mount 2.41-5 Versions of packages systemd recommends: ii chrony [time-daemon] 4.6.1-3 ii dbus [default-dbus-system-bus] 1.16.2-2 ii linux-sysctl-defaults 4.12 ii systemd-cryptsetup 257.7-1 Versions of packages systemd suggests: pn libtss2-tcti-device0 <none> pn polkitd <none> pn systemd-boot <none> pn systemd-container <none> pn systemd-homed <none> pn systemd-repart <none> pn systemd-resolved <none> pn systemd-userdbd <none> Versions of packages systemd is related to: ii dbus-user-session 1.16.2-2 pn dracut <none> ii initramfs-tools 0.148.3 ii libnss-systemd 257.7-1 ii libpam-systemd 257.7-1 ii udev 257.7-1 -- no debconf informationAfter upgrading some Debian servers from Bookworm to Trixie, during system reboot sometimes services start and sometimes they do not, because IPv6 is not yet configured on the network interface. IPv6 is statically configured in /etc/network/interfaces. Below are some logs where I noticed the issue with nsd and unbound:
2025-08-18T19:33:10.183996-03:00 DNS-AUTORITATIVO-02-STZ nsd[959]: nsd starting (NSD 4.12.0) 2025-08-18T19:33:10.184105-03:00 DNS-AUTORITATIVO-02-STZ nsd[959]: can't bind udp socket 2804:XXXX:40:0:187:XXXX:159:11@53: Cannot assign requested address 2025-08-18T19:33:10.184142-03:00 DNS-AUTORITATIVO-02-STZ nsd[959]: server initialization failed, nsd could not be started 2025-08-18T19:33:10.196883-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Main process exited, code=exited, status=1/FAILURE 2025-08-18T19:33:10.197009-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Failed with result 'exit-code'. 2025-08-18T19:33:10.197203-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Failed to start nsd.service - Name Server Daemon. 2025-08-18T19:33:10.416114-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Scheduled restart job, restart counter is at 1. 2025-08-18T19:33:10.418873-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Starting nsd.service - Name Server Daemon... 2025-08-18T19:33:10.484148-03:00 DNS-AUTORITATIVO-02-STZ nsd[1003]: nsd starting (NSD 4.12.0) 2025-08-18T19:33:10.484243-03:00 DNS-AUTORITATIVO-02-STZ nsd[1003]: can't bind udp socket 2804:XXXX:40:0:187:XXXX:159:11@53: Cannot assign requested address 2025-08-18T19:33:10.484276-03:00 DNS-AUTORITATIVO-02-STZ nsd[1003]: server initialization failed, nsd could not be started 2025-08-18T19:33:10.485385-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Main process exited, code=exited, status=1/FAILURE 2025-08-18T19:33:10.485464-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Failed with result 'exit-code'. 2025-08-18T19:33:10.485691-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Failed to start nsd.service - Name Server Daemon. 2025-08-18T19:33:10.836173-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Scheduled restart job, restart counter is at 2. 2025-08-18T19:33:10.837853-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Starting nsd.service - Name Server Daemon... 2025-08-18T19:33:10.901042-03:00 DNS-AUTORITATIVO-02-STZ nsd[1008]: nsd starting (NSD 4.12.0) 2025-08-18T19:33:10.901138-03:00 DNS-AUTORITATIVO-02-STZ nsd[1008]: can't bind udp socket 2804:XXXX:40:0:187:XXXX:159:11@53: Cannot assign requested address 2025-08-18T19:33:10.901166-03:00 DNS-AUTORITATIVO-02-STZ nsd[1008]: server initialization failed, nsd could not be started 2025-08-18T19:33:10.902333-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Main process exited, code=exited, status=1/FAILURE 2025-08-18T19:33:10.902418-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Failed with result 'exit-code'. 2025-08-18T19:33:10.902636-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Failed to start nsd.service - Name Server Daemon. 2025-08-18T19:33:11.063181-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Scheduled restart job, restart counter is at 3. 2025-08-18T19:33:11.064997-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Starting nsd.service - Name Server Daemon... 2025-08-18T19:33:11.132452-03:00 DNS-AUTORITATIVO-02-STZ nsd[1013]: nsd starting (NSD 4.12.0) 2025-08-18T19:33:11.132548-03:00 DNS-AUTORITATIVO-02-STZ nsd[1013]: can't bind udp socket 2804:XXXX:40:0:187:XXXX:159:11@53: Cannot assign requested address 2025-08-18T19:33:11.132582-03:00 DNS-AUTORITATIVO-02-STZ nsd[1013]: server initialization failed, nsd could not be started 2025-08-18T19:33:11.133930-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Main process exited, code=exited, status=1/FAILURE 2025-08-18T19:33:11.134018-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Failed with result 'exit-code'. 2025-08-18T19:33:11.134286-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: Failed to start nsd.service - Name Server Daemon. 2025-08-18T19:33:11.405316-03:00 DNS-AUTORITATIVO-02-STZ systemd[1]: nsd.service: Scheduled restart job, restart counter is at 4.
2025-08-21T16:46:50.802152-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Starting unbound.service - Unbound DNS server... 2025-08-21T16:46:50.822538-03:00 DNS-RECURSIVO-02-STZ (unbound)[977]: unbound.service: Referenced but unset environment variable evaluates to an empty string: DAEMON_OPTS 2025-08-21T16:46:50.837820-03:00 DNS-RECURSIVO-02-STZ unbound[977]: Aug 21 16:46:50 unbound[977:0] error: can't bind socket: Cannot assign requested address for 2804:XXXX:40:0:189:XXXX:159:83 port 53 2025-08-21T16:46:50.837885-03:00 DNS-RECURSIVO-02-STZ unbound[977]: Aug 21 16:46:50 unbound[977:0] fatal error: could not open ports 2025-08-21T16:46:50.839261-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Main process exited, code=exited, status=1/FAILURE 2025-08-21T16:46:50.854375-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Failed with result 'exit-code'. 2025-08-21T16:46:50.854615-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Failed to start unbound.service - Unbound DNS server. 2025-08-21T16:46:50.859030-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound-resolvconf.service - Unbound asyncronous resolvconf update helper was skipped because of an unmet condition check (ConditionFileIsExecutable=/sbin/resolvconf). 2025-08-21T16:46:50.963924-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Scheduled restart job, restart counter is at 1. 2025-08-21T16:46:50.966427-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Starting unbound.service - Unbound DNS server... 2025-08-21T16:46:51.028833-03:00 DNS-RECURSIVO-02-STZ (unbound)[1008]: unbound.service: Referenced but unset environment variable evaluates to an empty string: DAEMON_OPTS 2025-08-21T16:46:51.034365-03:00 DNS-RECURSIVO-02-STZ unbound[1008]: Aug 21 16:46:51 unbound[1008:0] error: can't bind socket: Cannot assign requested address for 2804:XXXX:40:0:189:XXXX:159:83 port 53 2025-08-21T16:46:51.034441-03:00 DNS-RECURSIVO-02-STZ unbound[1008]: Aug 21 16:46:51 unbound[1008:0] fatal error: could not open ports 2025-08-21T16:46:51.035461-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Main process exited, code=exited, status=1/FAILURE 2025-08-21T16:46:51.050773-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Failed with result 'exit-code'. 2025-08-21T16:46:51.051016-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Failed to start unbound.service - Unbound DNS server. 2025-08-21T16:46:51.052126-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound-resolvconf.service - Unbound asyncronous resolvconf update helper was skipped because of an unmet condition check (ConditionFileIsExecutable=/sbin/resolvconf). 2025-08-21T16:46:51.401249-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Scheduled restart job, restart counter is at 2. 2025-08-21T16:46:51.402439-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Starting unbound.service - Unbound DNS server... 2025-08-21T16:46:51.453759-03:00 DNS-RECURSIVO-02-STZ (unbound)[1020]: unbound.service: Referenced but unset environment variable evaluates to an empty string: DAEMON_OPTS 2025-08-21T16:46:51.459656-03:00 DNS-RECURSIVO-02-STZ unbound[1020]: Aug 21 16:46:51 unbound[1020:0] error: can't bind socket: Cannot assign requested address for 2804:XXXX:40:0:189:XXXX:159:83 port 53 2025-08-21T16:46:51.459742-03:00 DNS-RECURSIVO-02-STZ unbound[1020]: Aug 21 16:46:51 unbound[1020:0] fatal error: could not open ports 2025-08-21T16:46:51.460793-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Main process exited, code=exited, status=1/FAILURE 2025-08-21T16:46:51.473953-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Failed with result 'exit-code'. 2025-08-21T16:46:51.474173-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Failed to start unbound.service - Unbound DNS server. 2025-08-21T16:46:51.475419-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound-resolvconf.service - Unbound asyncronous resolvconf update helper was skipped because of an unmet condition check (ConditionFileIsExecutable=/sbin/resolvconf). 2025-08-21T16:46:51.824571-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound.service: Scheduled restart job, restart counter is at 3. 2025-08-21T16:46:51.825656-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Starting unbound.service - Unbound DNS server... 2025-08-21T16:46:51.878177-03:00 DNS-RECURSIVO-02-STZ (unbound)[1031]: unbound.service: Referenced but unset environment variable evaluates to an empty string: DAEMON_OPTS 2025-08-21T16:46:52.109339-03:00 DNS-RECURSIVO-02-STZ systemd[1]: Started unbound.service - Unbound DNS server. 2025-08-21T16:46:52.109552-03:00 DNS-RECURSIVO-02-STZ systemd[1]: unbound-resolvconf.service - Unbound asyncronous resolvconf update helper was skipped because of an unmet condition check (ConditionFileIsExecutable=/sbin/resolvconf).
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