from jnpr.junos import Device
from lxml import etree
import re
r_user = 'myuser'
r_pass = 'mypass'
r_port = 22


dev = Device(user=r_user,
             host='1.1.1.1',
             password=r_pass,
             port=22)
dev.open()

exclude_if_list = ['xe-4/2/0',
                   'xe-4/3/0']

result = dev.rpc.get_interface_information(interface_name='xe-*', normalize=True)

for item in result.findall('.//physical-interface'):

    if_name = item.findtext('name').strip()
    oper_staus = item.findtext('oper-status').strip()

    if oper_staus != "down":
        if (not re.search(r'(5|8)/\d+/\d+', if_name)
                and not if_name in exclude_if_list):

            print(if_name)