docs: def check_arguments(cls, conf):
          """
          Callback to perform sanity checking for the plugin's specific
          parameters.
  
          """
          # Perform sanity checking on CIDR
          utils.ip_check(conf['fixed_cidr'], netmask_expected=True)
  
          # Perform sanity checking on host list
          for host in conf['fixed_hosts'].split(":"):
              utils.ip_check(host)