$2 ~ /^RAW_PAYLOAD_/ ||
		$2 ~ /^[US]F_/ ||
		$2 ~ /^TP_STATUS_/ ||
		$2 ~ /^FALLOC_/ ||
		$2 ~ /^ICMPV?6?_(FILTER|SEC)/ ||
		$2 == "SOMAXCONN" ||
		$2 == "NAME_MAX" ||
		$2 == "IFNAMSIZ" ||
		$2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
		$2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
		$2 ~ /^HW_MACHINE$/ ||
		$2 ~ /^SYSCTL_VERS/ ||
		$2 !~ "MNT_BITS" &&
		$2 ~ /^(MS|MNT|MOUNT|UMOUNT)_/ ||

	Remote []byte
	Dev    string
	raw    RawSockaddrPPPoX
}

func (sa *SockaddrPPPoE) sockaddr() (unsafe.Pointer, _Socklen, error) {
	if len(sa.Remote) != 6 {
		return nil, 0, EINVAL
	}
	if len(sa.Dev) > IFNAMSIZ-1 {
		return nil, 0, EINVAL
	}

	*(*uint16)(unsafe.Pointer(&sa.raw[0])) = AF_PPPOX
	// This next field is in host-endian byte order. We can't use the
	// same unsafe pointer cast as above, because this value is not

	IFF_UNNUMBERED                = 0x2000
	IFF_UP                        = 0x1
	IFF_VIRTUAL                   = 0x2000000000
	IFF_VRRP                      = 0x10000000000
	IFF_XRESOLV                   = 0x100000000
	IFNAMSIZ                      = 0x10
	IFT_1822                      = 0x2
	IFT_6TO4                      = 0xca
	IFT_AAL5                      = 0x31
	IFT_ARCNET                    = 0x23
	IFT_ARCNETPLUS                = 0x24

	IFF_TUN_EXCL                                = 0x8000
	IFF_UP                                      = 0x1
	IFF_VNET_HDR                                = 0x4000
	IFF_VOLATILE                                = 0x70c5a
	IFNAMSIZ                                    = 0x10
	IGNBRK                                      = 0x1
	IGNCR                                       = 0x80
	IGNPAR                                      = 0x4

		{"IFLA_QDISC", Const, 0},
		{"IFLA_STATS", Const, 0},
		{"IFLA_TXQLEN", Const, 0},
		{"IFLA_UNSPEC", Const, 0},
		{"IFLA_WEIGHT", Const, 0},
		{"IFLA_WIRELESS", Const, 0},
		{"IFNAMSIZ", Const, 0},
		{"IFT_1822", Const, 0},
		{"IFT_A12MPPSWITCH", Const, 0},
		{"IFT_AAL2", Const, 0},
		{"IFT_AAL5", Const, 0},
		{"IFT_ADSL", Const, 0},
		{"IFT_AFLANE8023", Const, 0},