HDDS-5056. Avoid false positiver error messages during pipeline creations (#2105)

diff --git a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineManagerV2Impl.java b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineManagerV2Impl.java
index eb0c948..0d97b87 100644
--- a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineManagerV2Impl.java
+++ b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/pipeline/PipelineManagerV2Impl.java
@@ -155,7 +155,7 @@
       recordMetricsForPipeline(pipeline);
       return pipeline;
     } catch (IOException ex) {
-      LOG.error("Failed to create pipeline of type {} and factor {}. " +
+      LOG.debug("Failed to create pipeline of type {} and factor {}. " +
           "Exception: {}", type, factor, ex.getMessage());
       metrics.incNumPipelineCreationFailed();
       throw ex;