def METHOD_NAME(duthosts, rand_one_dut_hostname, testbed_params):
    vlan_intf, vlan_member_ports_to_ptf_ports = testbed_params
    vlan_id = vlan_intf["attachto"].lstrip("Vlan")
    duthost = duthosts[rand_one_dut_hostname]
    bridge_vlan_show = duthost.shell("bridge vlan show vid %s" % vlan_id)["stdout"]
    bridge_vlan_host_ports = set([line.split()[0] for line in bridge_vlan_show.splitlines() if line])
    for vlan_member_port in list(vlan_member_ports_to_ptf_ports.keys()):
        if vlan_member_port not in bridge_vlan_host_ports:
            raise ValueError("Port %s not in host bridge VLAN %s" % (vlan_member_port, vlan_id))