Same as T6078 but we now wan't to make use of ethtool --json eth0 to drop out own text based parsing of ethtool options in
https://github.com/vyos/vyos-1x/blob/e47d4fd385631236da6882233b09f6364cbb077b/python/vyos/ethtool.py#L77-L105

And move to a better, machine readable interface