docs: def get_vm_ports(port_id=None):
      """Returns filtered list of vms that may be relevant on CVX"""
      return get_ports(device_owners=[n_const.DEVICE_OWNER_COMPUTE_PREFIX,
                                      t_const.TRUNK_SUBPORT_OWNER],
                       vnic_type=portbindings.VNIC_NORMAL, port_id=port_id)