Exclude moria1 from `is_orport_reachable` check

Closes: #40029.

consensus_health_checker.py

@@ -824,7 +824,12 @@ def is_orport_reachable(latest_consensus, consensuses, votes):
   issues = []
 
   for authority in list(DIRECTORY_AUTHORITIES.values()):
-    if authority.nickname in DIRAUTH_SKIP_CHECKS:
+    # moria1's currently advertized IP address, 128.31.0.39, has routing issues
+    # which are affecting doctor checks as well. See:
+    # https://gitlab.torproject.org/tpo/network-health/analysis/-/issues/10 for
+    # details. We therefore just skip the ORPort check for moria1 for the time
+    # being to avoid spam on tor-consensus-health@.
+    if authority.nickname in DIRAUTH_SKIP_CHECKS or authority.nickname == "moria1":
       continue
 
     desc = latest_consensus.routers.get(authority.fingerprint)