Fields

UNSPEC,
ADDRESS,
BROADCAST,
IFNAME,
MTU,
LINK,
QDISC,
STATS,
COST,
PRIORITY,
MASTER,
WIRELESS,

Wireless Extension event

PROTINFO,

Protocol specific information for a link

TXQLEN,
MAP,
WEIGHT,
OPERSTATE,
LINKMODE,
LINKINFO,
NET_NS_PID,
IFALIAS,
NUM_VF,

Number of VFs if device is SR-IOV PF

VFINFO_LIST,
STATS64,
VF_PORTS,
PORT_SELF,
AF_SPEC,
GROUP,

Group the device belongs to

NET_NS_FD,
EXT_MASK,

Extended info mask, VFs, etc

PROMISCUITY,

Promiscuity count: > 0 means acts PROMISC

NUM_TX_QUEUES,
NUM_RX_QUEUES,
CARRIER,
PHYS_PORT_ID,
CARRIER_CHANGES,
PHYS_SWITCH_ID,
LINK_NETNSID,
PHYS_PORT_NAME,
PROTO_DOWN,
GSO_MAX_SEGS,
GSO_MAX_SIZE,
PAD,
XDP,
EVENT,
NEW_NETNSID,
IF_NETNSID,
CARRIER_UP_COUNT,
CARRIER_DOWN_COUNT,
NEW_IFINDEX,
MIN_MTU,
MAX_MTU,