code: def find_interconnect_ports(self):
          
  
          phy_port_list = self.ext_br_obj.get_port_name_list()
          int_port_list = self.integ_br_obj.get_port_name_list()
          for port in phy_port_list:
              # Use get Interface  xxx type
              is_patch = ovs_lib.is_patch(self.root_helper, port)
              if is_patch:
                  # Get the peer for this patch
                  peer_port = ovs_lib.get_peer(self.root_helper, port)
                  if peer_port in int_port_list:
                      return port, peer_port
          # A solution is needed for veth pairs also, fixme(padkrish)
          # ip_wrapper.get_devices() returns all the devices
          # Pick the ones whose type is veth (?) and get the other pair
          # Combination of "ethtool -S xxx" command and "ip tool" command.
          return None, None
docs: Find the internal veth or patch ports.