#value_indexed
DEVCONF_FORWARDING				0
DEVCONF_HOPLIMIT				1
DEVCONF_MTU6					2
DEVCONF_ACCEPT_RA				3
DEVCONF_ACCEPT_REDIRECTS			4
DEVCONF_AUTOCONF				5
DEVCONF_DAD_TRANSMITS				6
DEVCONF_RTR_SOLICITS				7
DEVCONF_RTR_SOLICIT_INTERVAL			8
DEVCONF_RTR_SOLICIT_DELAY			9
DEVCONF_USE_TEMPADDR				10
DEVCONF_TEMP_VALID_LFT				11
DEVCONF_TEMP_PREFERED_LFT			12
DEVCONF_REGEN_MAX_RETRY				13
DEVCONF_MAX_DESYNC_FACTOR			14
DEVCONF_MAX_ADDRESSES				15
DEVCONF_FORCE_MLD_VERSION			16
DEVCONF_ACCEPT_RA_DEFRTR			17
DEVCONF_ACCEPT_RA_PINFO				18
DEVCONF_ACCEPT_RA_RTR_PREF			19
DEVCONF_RTR_PROBE_INTERVAL			20
DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN		21
DEVCONF_PROXY_NDP				22
DEVCONF_OPTIMISTIC_DAD				23
DEVCONF_ACCEPT_SOURCE_ROUTE			24
DEVCONF_MC_FORWARDING				25
DEVCONF_DISABLE_IPV6				26
DEVCONF_ACCEPT_DAD				27
DEVCONF_FORCE_TLLAO				28
DEVCONF_NDISC_NOTIFY				29
DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL	30
DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL	31
DEVCONF_SUPPRESS_FRAG_NDISC			32
DEVCONF_ACCEPT_RA_FROM_LOCAL			33
DEVCONF_USE_OPTIMISTIC				34
DEVCONF_ACCEPT_RA_MTU				35
DEVCONF_STABLE_SECRET				36
DEVCONF_USE_OIF_ADDRS_ONLY			37
DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT			38
DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN		39
DEVCONF_DROP_UNICAST_IN_L2_MULTICAST		40
DEVCONF_DROP_UNSOLICITED_NA			41
DEVCONF_KEEP_ADDR_ON_DOWN			42
DEVCONF_RTR_SOLICIT_MAX_INTERVAL		43
DEVCONF_SEG6_ENABLED				44
DEVCONF_SEG6_REQUIRE_HMAC			45
DEVCONF_ENHANCED_DAD				46
DEVCONF_ADDR_GEN_MODE				47
DEVCONF_DISABLE_POLICY				48
DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN		49
DEVCONF_NDISC_TCLASS				50