const golang.org/x/sys/unix.ETHTOOL_LINK_EXT_SUBSTATE_CI_CABLE_TEST_FAILURE

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L3433: 	ETHTOOL_LINK_EXT_SUBSTATE_CI_CABLE_TEST_FAILURE                         = 0x2