def test_po_update(duthosts, enum_rand_one_per_hwsku_frontend_hostname, enum_frontend_asic_index, tbinfo):
        """
        test port channel add/deletion as well ip address configuration
        """
        duthost = duthosts[enum_rand_one_per_hwsku_frontend_hostname]
        asichost = duthost.asic_instance(enum_frontend_asic_index)
        int_facts = asichost.interface_facts()['ansible_facts']
    
        port_channels_data = asichost.get_portchannels_and_members_in_ns(tbinfo)
        if not port_channels_data:
            pytest.skip(
                "Skip test as there are no port channels on asic {} on dut {}".format(enum_frontend_asic_index, duthost))
    
        portchannel = None
        portchannel_members = None
        for portchannel in port_channels_data:
            logging.info('Trying to get PortChannel: {} for test'.format(portchannel))
            if int_facts['ansible_interface_facts'][portchannel].get('ipv4'):
                portchannel_members = port_channels_data[portchannel]
                break
    
>       pytest_assert(portchannel and portchannel_members, 'Can not get PortChannel interface for test')
E       Failed: Can not get PortChannel interface for test

asichost   = <SonicAsic 0>
duthost    = <MultiAsicSonicHost ....>
duthosts   = [<MultiAsicSonicHost ....>]
enum_frontend_asic_index = None
enum_rand_one_per_hwsku_frontend_hostname = '....'
int_facts  = {'ansible_interface_facts': {'Bridge': {'active': True, 'device': 'Bridge', 'id': '8000.5000e623eeda', 'interfaces': [... 'fe80::5200:e6ff:fe23:eeda', 'fc00::441', 'fe80::5200:e6ff:fe23:eeda', ...]}, 'ansible_interface_link_down_ports': []}
port_channels_data = {'PortChannel102': ['Ethernet96', 'Ethernet100']}
portchannel = 'PortChannel102'
portchannel_members = None