using legacy ethtool link settings API only when ETHTOOL_GLINKSETTINGS is not supported
using legacy ethtool link settings API only when ETHTOOL_GLINKSETTINGS is not supported

ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING,ntop/PF_RING