Kubernetes: fix retrieval of local ip address (#169)

* Call the namespaced log reading with the timestamps set to false.

* kubernetes.py: fix container_run_command to return string

---------

Co-authored-by: Lionel <schaubl@users.noreply.github.com>

code/agent/orchestrator/kubernetes.py

@@ -591,7 +591,8 @@ def container_run_command(self, image, name, command: str = None,
         except TimeoutException as ex:
             log.warning(ex)
             return ''
-        output = self.client.read_namespaced_pod_log(name, namespace)
+        output = self.client.read_namespaced_pod_log(name, namespace, _preload_content=False, 
+                                                     timestamps=False).data.decode('utf8')
         if remove:
             self.container_remove(name, **kwargs)
         return output