def printAst(astmod, ast, indent='  ', stream=sys.stdout, initlevel=0):
    rec_node(astmod, ast, initlevel, indent, stream.write)
    stream.write('\n')
    stream.flush()
Generating the vlan device name.
dataset/ETHPy150Open anandology/pyjamas/pgen/astpprint.py/printAst--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/drivers/macvtap/macvtap_common.py/get_vlan_device_name