docs: def all_as_dict():
      '''
      returns a dict {'Running': ['cont1', 'cont2'], 
                      'Stopped': ['cont3', 'cont4']
                      }
                      
      '''
      cmd = ['lxc-list']
      out = subprocess.check_output(cmd).splitlines()
      stopped = []
      running = []
      frozen = []
      current = None
      for c in out:
          c = c.strip()
          if c == 'RUNNING':
              current = running
              continue
          if c == 'STOPPED':
              current = stopped
              continue
          if c == 'FROZEN':
              current = frozen
              continue
          if not len(c):
              continue
          current.append(c)
      return {'Running': running,
              'Stopped': stopped,
              'Frozen': frozen}