On dual-stack LANs network-online.target is satisfied by the IPv6 SLAAC
address about a second before DHCPv4 lands, so the first
furtka-catalog-sync run died with 'Network is unreachable' and the next
attempt was the daily timer (OnBootSec=10min + up to 6 h jitter). The
state file stayed on 'checking' and the apps page showed 'checking…'
with nothing running — first hardware bench, 2026-08-25.
- furtka-catalog-sync.service: Restart=on-failure every 20 s, up to 8
times in 15 min
- sync_catalog() writes stage 'error' + message on CatalogError, then
re-raises (body moved to _sync_locked())
- apps page shows 'last sync failed: <error>' for that stage
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MScAinbyMdeNc7H2BZdnnG