=== ROUTER STEP FACTS CONTRACT VALIDATION ===
step=STEP_048A_VM101_HEALTH_FAILOVER_INVENTORY
decision=PASS
all_ok=True
structure_ok=True
success_ok=True
expected_absence_ok=True
blockers_ok=True
success_checks_count=14
expected_absence_count=0

warnings:
  - Read-only inventory only.
  - No interfaces, routes, tunnel configs, services, DB rows, or peers are changed.
  - Strict ping probes require 3/3 packets to both 1.1.1.1 and 8.8.8.8 per vpn interface; failures are reported as evidence for design.