GENL_SET_ERR_MSG_FMT
GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use);
GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
GENL_SET_ERR_MSG_FMT(info, "create listen socket error: %d", ret);
GENL_SET_ERR_MSG_FMT(info, "too many addresses or duplicate one: %d", ret);
GENL_SET_ERR_MSG_FMT(info, "connect error: %d", err);
GENL_SET_ERR_MSG_FMT(info, "Can't send reply");