# name          lanes               index
Ethernet0       0                   0
Ethernet4       4                   1
Ethernet8       8                   2
Ethernet12      12                  3
Ethernet16      16                  4
Ethernet20      20                  5
Ethernet24      24                  6
Ethernet28      28                  7
Ethernet32      32                  8
Ethernet36      36                  9
Ethernet40      40                  10
Ethernet44      44                  11
Ethernet48      48                  12
Ethernet52      52                  13
Ethernet56      56                  14
Ethernet60      60                  15
Ethernet64      64                  16
Ethernet68      68                  17
Ethernet72      72,73,74,75         18
Ethernet76      76,77,78,79         19
Ethernet80      80,81,82,83         20
Ethernet84      84,85,86,87         21