code: def del_port(self, port_name):
          
          command = ovs_vsctl.VSCtlCommand('del-port', (self.br_name, port_name))
          self.run_command([command])
docs: Deletes a port on OVS instance.
  
          This method is corresponding to the following ovs-vsctl command::
  
              $ ovs-vsctl del-port <bridge> <port>