quick hack test:

>>> ip_lib.get_link_vfs('enp129s0f1', None)
{0: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 1: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 2: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 3: {'mac': '00:00:00:00:00:00', '
link_state': 0}, 4: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 5: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 6: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 7: {'mac': '00:00
:00:00:00:00', 'link_state': 0}, 8: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 9: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 10: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 
11: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 12: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 13: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 14: {'mac': '00:00:00:00:00:00'
, 'link_state': 0}, 15: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 16: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 17: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 18: {'mac':
 '00:00:00:00:00:00', 'link_state': 0}, 19: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 20: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 21: {'mac': '00:00:00:00:00:00', 'link_sta
te': 0}, 22: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 23: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 24: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 25: {'mac': '00:00:00:
00:00:00', 'link_state': 0}, 26: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 27: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 28: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 29
: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 30: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 31: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 32: {'mac': '00:00:00:00:00:00', 
'link_state': 0}, 33: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 34: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 35: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 36: {'mac': '
00:00:00:00:00:00', 'link_state': 0}, 37: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 38: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 39: {'mac': '00:00:00:00:00:00', 'link_state
': 0}, 40: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 41: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 42: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 43: {'mac': '00:00:00:00
:00:00', 'link_state': 0}, 44: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 45: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 46: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 47: 
{'mac': '00:00:00:00:00:00', 'link_state': 0}, 48: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 49: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 50: {'mac': '00:00:00:00:00:00', 'l
ink_state': 0}, 51: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 52: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 53: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 54: {'mac': '00
:00:00:00:00:00', 'link_state': 0}, 55: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 56: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 57: {'mac': '00:00:00:00:00:00', 'link_state':
 0}, 58: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 59: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 60: {'mac': '00:00:00:00:00:00', 'link_state': 0}, 61: {'mac': '00:00:00:00:0
0:00', 'link_state': 0}, 62: {'mac': '00:00:00:00:00:00', 'link_state': 0}}