Fix last updated time in the 'nodes' cli command

Change-Id: I16a12958556b41429923f438708d1abf819c10b1
diff --git a/cli/src/main/java/org/onosproject/cli/NodesListCommand.java b/cli/src/main/java/org/onosproject/cli/NodesListCommand.java
index 8246b1d..4e49fe9 100644
--- a/cli/src/main/java/org/onosproject/cli/NodesListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/NodesListCommand.java
@@ -54,7 +54,7 @@
                 Instant lastUpdated = service.getLastUpdatedInstant(node.id());
                 String timeAgo = "Never";
                 if (lastUpdated != null) {
-                    timeAgo = Tools.timeAgo(lastUpdated.getEpochSecond());
+                    timeAgo = Tools.timeAgo(lastUpdated.toEpochMilli());
                 }
                 Version version = service.getVersion(node.id());
                 print(FMT, node.id(), node.ip(), node.tcpPort(),