Fix GetProcesses in docker

containers/docker.go

@@ -459,14 +459,15 @@ func (d *Driver) GetProcesses(name string) ([]string, error) {
 	}
 	defer cli.Close()
 
-	processList, err := cli.ContainerTop(ctx, name, []string{"-eo", "args"})
+	processList, err := cli.ContainerTop(ctx, name, []string{"-eo", "pid,args"})
 	if err != nil {
 		return processes, fmt.Errorf("docker container top call error: %v", err)
 	}
 
 	for _, process := range processList.Processes {
 		if len(process) > 0 {
-			processes = append(processes, process[0])
+			// This removes PID from the list. PID has to be printed otherwise docker daemon can't handle it.
+			processes = append(processes, strings.Join(strings.Fields(process[0])[1:], " "))
 		}
 	}