DCB_ATTR_UNDEFINED	0
DCB_ATTR_IFNAME		1
DCB_ATTR_STATE		2
DCB_ATTR_PFC_STATE	3
DCB_ATTR_PFC_CFG	4
DCB_ATTR_NUM_TC		5
DCB_ATTR_PG_CFG		6
DCB_ATTR_SET_ALL	7
DCB_ATTR_PERM_HWADDR	8
DCB_ATTR_CAP		9
DCB_ATTR_NUMTCS		10
DCB_ATTR_BCN		11
DCB_ATTR_APP		12
DCB_ATTR_IEEE		13
DCB_ATTR_DCBX		14
DCB_ATTR_FEATCFG	15
DCB_ATTR_CEE		16