diff --git a/tests/check-logs.sh b/tests/check-logs.sh
index 2da6b55967..33806845d0 100755
--- a/tests/check-logs.sh
+++ b/tests/check-logs.sh
@@ -35,6 +35,7 @@ function filter_out_expected_critical {
     */neutron-server.log)
         # Sometimes we see this during shutdown (upgrade).
         # See: https://bugs.launchpad.net/neutron/+bug/1863579
+        grep -v "Unhandled error: oslo_db.exception.DBConnectionError" |
         grep -v "WSREP has not yet prepared node for application use" |
         grep -v "Failed to fetch token data from identity server"
         ;;