code: def delbr(self, name):
          
          self.getbr(name) # Check if exists
          _runshell([ipexe, 'link', 'set', 'dev', name, 'down'],
              "Could not set link down for %s." % name)
          _runshell([brctlexe, 'delbr', name],
              "Could not delete bridge %s." % name)
docs: Set the device down and delete the bridge.