diff --git a/src/sysinfo/caas.js b/src/sysinfo/caas.js
index 7d75b1de0..37220af09 100644
--- a/src/sysinfo/caas.js
+++ b/src/sysinfo/caas.js
@@ -17,14 +17,14 @@ function getPublicIp(callback) {
     superagent.get('http://169.254.169.254/metadata/v1.json').timeout(30 * 1000).end(function (error, result) {
         if (error || result.statusCode !== 200) {
             console.error('Error getting metadata', error);
-            return callback(new SysInfoError(SysInfoError.INTERNAL_ERROR, 'No IP found'));
+            return callback(new SysInfoError(SysInfoError.INTERNAL_ERROR, 'Could not detect public IP from metadata'));
         }
 
         // Note that we do not use a floating IP for 3 reasons:
         // The PTR record is not set to floating IP, the outbound interface is not changeable to floating IP
         // and there are reports that port 25 on floating IP is blocked.
         var ip = safe.query(result.body, 'interfaces.public[0].ipv4.ip_address');
-        if (!ip) return callback(new SysInfoError(SysInfoError.INTERNAL_ERROR, 'No IP found'));
+        if (!ip) return callback(new SysInfoError(SysInfoError.INTERNAL_ERROR, 'Could not detect public IP from interface'));
 
         callback(null, ip);
     });