diff --git a/src/Orchestration/Adapter/DockerCLI.php b/src/Orchestration/Adapter/DockerCLI.php
index cfdadc9..82123ed 100644
--- a/src/Orchestration/Adapter/DockerCLI.php
+++ b/src/Orchestration/Adapter/DockerCLI.php
@@ -116,6 +116,12 @@ public function getStats(string $container = null, array $filters = []): array
         if ($result !== 0) {
             throw new Orchestration("Docker Error: {$output}");
         }
+        $dump = function($value) {
+            $p = var_export($value, true);
+            $b = debug_backtrace();
+            print($b[0]['file'] . ':' . $b[0]['line'] . ' - ' . $p . "\n");
+        };
+        $dump($output);
 
         $lines = \explode("\n", $output);
 
diff --git a/tests/Orchestration/Base.php b/tests/Orchestration/Base.php
index 2f8e1dd..4bf1ed1 100644
--- a/tests/Orchestration/Base.php
+++ b/tests/Orchestration/Base.php
@@ -493,8 +493,8 @@ public function testUsageStats(): void
 
         // This allows CPU-heavy load check
         $output = '';
-        static::getOrchestration()->execute($containerId1, ['screen', '-d', '-m', "'stress --cpu 1 --timeout 5'"], $output); // Run in screen so it's background task
-        static::getOrchestration()->execute($containerId2, ['screen', '-d', '-m', "'stress --cpu 1 --timeout 5'"], $output);
+        static::getOrchestration()->execute($containerId1, ['screen', '-d', '-m', 'stress --cpu 1 --timeout 5'], $output); // Run in screen so it's background task
+        static::getOrchestration()->execute($containerId2, ['screen', '-d', '-m', 'stress --cpu 1 --timeout 5'], $output);
 
         // Set CPU stress-test start
         \sleep(1);