def populate_arp_table():
    for dut in duthosts:
        dut.command('sonic-clear fdb all')
        dut.command('sonic-clear arp')
        time.sleep(20)
        for addr in addr_list:
            dut.command('ping {} -c 3'.format(addr), module_ignore_errors=True)
def populate_arp_table():
    for dut in duthosts:
        dut.command('sonic-clear fdb all')
        dut.command('sonic-clear arp')
        time.sleep(20)
        for addr in addr_list:
            dut.command('ping {} -c 3'.format(addr), module_ignore_errors=True)