NLM_F_ACK          56 include/uapi/linux/netlink.h #define NLM_F_ACK		0x04	/* Reply with ack, with zero or error code */
NLM_F_ACK          56 tools/include/uapi/linux/netlink.h #define NLM_F_ACK		0x04	/* Reply with ack, with zero or error code */